Season 15! | What's The Secret? | * Teacher's Guides * | The Hosts | Resources

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Acid Rain -- Show 910 -- What causes acid rain?

AIDS -- Show 1007 -- What is Acquired Immune Deficiency Syndrome?

Air Pressure -- Show 1010 -- How can we measure the force with which air presses on the Earth?

Aircraft Carrier -- Show 1202 -- How do airplanes land on such a short runway?

Aircraft Fire Rescue -- Show 1306 -- Firefighters practice putting out aircraft fires...

Animals -- Season 9 -- Miniature Horses, Bats, Porcupines, Camels, Llamas, Eagles, Bears, Pot Belly Pigs

Animals -- Season 11 -- Chimpanzees, Dolphins, Lizards, Hummingbirds, Polar Bears, River Otters, Reindeer, Wolves, Mosquitoes

Animals -- Season 12 -- Hedgehog, Red Fox, African Elephant, Kimodo Dragon, Snakes, Siberian Tiger, Tasmanian Devil, Wallaby

Acne -- in Newton's Classic #6.

Antarctica 1 -- Show 1006 -- Why do scientists go to Antarctica?

Antarctica 2 -- Show 1006 -- Why is Antarctica important to the rest of the Earth?

Antibiotics -- Show 1208 -- How do antibiotics kill bacteria?

Archeology -- Show 1108 -- How do archeologists know where to dig?

Archery -- Show 1009 -- What is the technology behind the bow and arrow?

Arctic Nutrition -- Show 1202 -- How do arctic explorers get the energy they need to complete an expedition?

Arctic Survival -- Show 1202 -- How do explorers keep warm in the Arctic?

Artic Fox -- in Newton's Classic #25.

Artificial Heart -- in Newton's Classic #3.

Asthma-- Show 1505 -- What is Asthma and what does it feel like to have an asthma "attack"?

Asthma-- a Children's Health and the Environment activity guide.

Asprin -- in Newton's Classic #24.

Aurora Borealis -- Show 1010 -- What causes the "Northern Lights"?

Avalanche Rescue -- Show 1405 -- How do dogs find people buried in an avalanche?

Balloon Safari -- Show 1304 -- David explores the Serengeti in a hot-air balloon.

Balloons -- Show 1306 -- The kind you don't ride in...

Baseball Bats -- in Newton's Classic #20.

Bees -- in Newton's Classic #17.

Beaver -- in Newton's Classic #19.

Bee Stings -- Show 1407 -- Why do bees sting?

Bears -- in Newton's Classic #8.

The Bends -- Show 1111 -- Why do divers get the bends?

Bicycles -- Show 1310 -- How have bikes changed since their invention?

Also investigated in Newton's Classic #1.

Blimp's -- in Newton's Classic #19.

Maya Bike Trek -- Show 1303 -- A high-tech bike ride through Central America...

Bird Songs -- Show 1312 -- How does a bird learn its song?

Bison -- Show 1110 -- What role have bison played in North American history?

Black Holes -- Show 1102 -- What are they?

Blood Typing -- Show 1012 -- Isn't all human blood the same?

Blood Pressure -- in Newton's Classic #17.

Black Pearls -- Show 1402 -- How does the oyster make a pearl?

Body Fat -- Show 1403 -- Is all fat bad? What's the best way to lose fat?

Blue Sky -- Show 909 -- The sky is blue. Why?

Bone Marrow -- Show 1309 -- Why do we need bone marrow?

Bones -- Show 1412 -- How do bones get so strong?

Bones, Broken (Broken Bones) -- Show 1008 -- Why do bones break? How do they heal?

Boomerangs -- in Newton's Classic #8.

Bomb Squad -- Show 1104 -- What is an explosion?

Brain -- Show 1203 -- What goes on inside our heads?

Bread -- Show 1205 -- What makes bread rise?

Bridges -- Show 1213 -- How do different bridge designs work?

Bruises -- in Newton's Classic #17.

Broken Bones -- Show 1008 -- Why do bones break? How do they heal?

Bulletproof Vests and Glass -- in Newton's Classic #

Cancer Causes -- Show 904 -- Why do people get cancer?

Cancer Treatments -- Show 905 -- Some of the methods for treating cancer

Car Engines -- 1511 -- How does a car enging make the wheels turn?

Carpal Tunnel Syndrome -- Show 1107 -- What is Carpal Tunnel Syndrome?

Cave's -- investigated Newton's Classic #13.

Cavities -- in Newton's Classic #25.

Cavey -- in Newton's Classic #12.

Circus High Wire -- Show 1302 -- How do high-wire artists balance on such a thin wire?

Clocks -- Show 1410 -- How do clocks keep time?

Cockroaches -- Show 1008 -- I want to learn more about these little critters...

Cocaine -- in Newton's Classic #26.

Coffee -- Show 1311 -- Where does coffee come from, and how is it changed into the stuff we drink?

Collisions: Airbags and Collisions -- Show 911 -- Can airbags help prevent injuries in automobile accidents?

Compact Discs -- Show 1111 -- Which sounds better -- an LP or a CD?

Cold Remedies -- in Newton's Classic #4.

Choice's -- investigated Newton's Classic #15.

Cooking and Chemistry -- in Newton's Classic #8.

Comets -- in Newton's Classic #9.

Cryogenics -- Show 1011 -- The physics behind extreme cold...

Dairy Farm -- Show 1109 -- How do cows produce milk?

Diabetes -- Show 1013 -- Why does this disease occur?

Diet and Nutrition -- Show 1005 -- Which foods are good for you?

Dinosaur Extinction -- Show 1207 -- Where did the dinosaurs go?

Dinosaurs 1 -- Show 906 -- Finding and dating fossils Also investigated in Newton's Classic #7.

Dinosaurs 2 -- Show 906 -- Assembling a dinosaur skeleton

Dinosaurs: Movie Dinosaurs -- Show 1205 -- Behind the scenes at Jurassic Park.

Dinosaurs:Movie Dinosaurs -- Show 1501 -- What makes the dinosaurs so believable on the new Lost World ride at Universal Studios?

DNA Fingerprinting -- Show 1305 -- Can blood found at a crime scene really identify a criminal?

Dolphin Communication -- Show 1307 -- Can animals communicate with humans?

Domed Stadium -- Show 907 -- Air keeps this stadium from collapsing.

Dream Cave -- in Newton's Classic #20.

Drinking Water -- Show 1413 -- How do we get the impurities out of drinking water?

Earthquakes -- Show 1213 -- What causes earthquakes?

Einstein -- in Newton's Classic #11.

Election Polls and Surveys -- Show 1003 -- Are polls valid?

Electric Cars -- Show 1003 -- Battery powered cars. (Also see Solar Powered Cars)

Electricity -- Show 1211 -- Why birds aren't electrocuted when they sit on wires...

Emergency Rescue -- Show 1102 -- How do experts in emergency medicine treat trauma?

Engines, Car -- 1511 -- How does the engine make the wheels of a car turn?

Equator -- Show 1311 -- What is life like for animals, plants, and people at the African equator?

Ergonomics -- Show 1312 -- Modifying our tools to better suit our bodies...

Ethanol -- Show 1412 -- What is ethanol and how does it make a car run?

Ethnobotany -- Show 1209 -- What IS Ethnobotany, anyway?

Extinction, Dinosaur -- Show 1207 -- Where did the dinosaurs go?

Exploratorium / Vision -- in Newton's Classic #23.

Family Pack -- 1504 -- What is pack behavior and why do dogs act the way they do?

Falcons -- in Newton's Classic #20.

FBI Lab -- in Newton's Classic #10.

Fire --in Newton's Classic #3.

Fire Rescue (Aircraft Fire Rescue) -- Show 1306 -- Firefighters practice putting out aircraft fires...

Firefighting -- Show 1109 -- How do fires spread so quickly?

Floods -- Show 1207 -- Why river control methods do and do not work.

Food Myths -- in Newton's Classic #18.

Flight Trainer -- investigated Newton's Classic #13.

Foley: Movie Sound Effects -- Show 1206 -- Making sound effects at Skywalker Ranch

Forests: Old-Growth Forests/Spotted Owl -- Show 1107 -- Why should we save the spotted owl?

Frisbee Physics -- Show 904 -- Physics and the flying disk

Galaxy Mapping -- Show 1013 -- Why make maps of the galaxies?

Garbage -- Show 1112 -- What we throw away says a lot about us...

Garlic -- Show 1204 -- The chemistry behind garlic

Gems -- Show 1411 -- How do gemstones get their colors?

Glaciers -- 1507 -- Tracking the flow of a glacier.

Glass Blowing -- 1508 -- How do they make glass into different shapes?

Glass Recycling -- Show 1007 -- Making new bottles from old...

Glaucoma -- 1501 -- What is glaucoma and how do people get it?

Gliders -- 1506 -- How do engineless planes stay aloft?

Gold Mine -- 1503 -- How is gold found in the ground?

Golf Balls -- in Newton's Classic #4.

Gravity -- Show 1212 -- Gravity and weightlessness

Greenhouse Effect-- 1509 -- How does the loss of ozone affect our climate?

Hang Gliding -- Show 1201 -- How do they stay up without an engine?

Hazardous Materials -- Show 1308 -- How are hazardous materials spills cleaned up?

Hearing -- Show 1303 -- How can noise be hazardous to your hearing? Also investigated in Newton's Classic #2.

Heart Attack -- Show 1110 -- What goes on inside a person's body during a heart attack?

Heartburn -- in Newton's Classic #7.

Hedgehog -- investigated Newton's Classic #13.

High Jump -- Show 910 -- Learning physics helps high jumpers set new records...

High Wire (Circus High Wire) -- Show 1302 -- How do high-wire artists balance on such a thin wire?

Hiccups -- in Newton's Classic #4. also in Newton's #17

Helium -- a Newtons Classic

Hip Replacement --Show 913 -- How do artificial implants work in the body?

Hollywood Stunts -- Show 1002 -- What is the physics behind movie stunts?

Household Chemestry -- Show 1002 -- What are acids and bases?

Hi-Speed Bicycles -- in Newton's Classic #21.

Hot Air Ballons --in Newton's Classic #2.

Hypothermia -- investigated Newton's Classic #15.

Hubble Space Telescope -- Show 1209 -- An in-flight repair for the Hubble telescope...

Human Eye -- Show 1401 -- How does the human eye see?

Human Slingshot Ride -- Show 1309 -- Do rides like this make you feel queasy?

Hypercoaster -- Show 1404 -- How do you know a roller coaster is safe?

Ice Surfing -- Show 1305 -- Sailing on a frozen lake...

Inca Engineering -- Show 1406 -- How did the Incas build without mortar or wheels?

Infrared Light -- Show 1112 -- Light that you can't see?!?

Ira on the Spot - Laundry -- in Newton's Classic #26.

Inventor's Fair -- in Newton's Classic #20 also in Newton's Classic # 22.

Immune System -- in Newton's Classic #19.

In-line Skating -- Show 1308 -- The physics of in-line skating...

Internet -- Show 1208 -- You probably already know a bit about the Internet...

In Vitro Fertilization -- Show 1103 -- Do test tube babies come from test tubes?

Ira on the Spot / at the Beach -- in Newton's Classic #23.

Jumbo Jets -- Show 1105 -- How does a plane as heavy as three blue whales fly?

Jungle Survival -- Show 1313 -- How would you survive if lost in the jungle?

Kids on Mars -- 1510 -- How do scientist design probes for distant planets?

Karate -- Show 1201 -- Can karate experts break boards with their bare hands without injury?

Laser -- investigated Newton's Classic #14.

Laryngitis -- in Newton's Classic #23.

Llama -- in Newton's Classic #10.

Lightning Bolts -- 1513 -- How is lightning formed?

Lions (Wild Lion Vets) -- Show 1301 -- What is being done to ensure the future of lions in Africa?

Liver -- Show 1313 -- A chemical factory inside your body...

Locks and Dams -- Show 1012 -- How do dams help navigation? How does a lock work?

The Lost World -- 1501 -- How were realistic diosaurs created for Jurassic Park: The Ride?

The Luge -- Show 901 -- High tech engineering at the Olympics...

Malaria Tracking -- Show 1410 -- How can you locate disease-carrying mosquitoes?

Mammoth Dig -- 1509 -- Why are there mammoth "burial grounds?

Manatee's -- in Newton's Classic #18.

Mars, Kids on -- 1510 -- How do scientist design probes for distant planets?

Maya Bike Trek -- Show 1303 -- A high-tech bike ride through Central America...

Mazes -- Show 1108 -- What's the math behind a maze?

Medical Quackeries -- Show 911 -- Can this medicine cure me?

Memory -- Show 1103 -- How do we remember?

Meteors -- Show 1105 -- Rocks from the sky...

Microwave Ovens -- Show 911 -- How do microwave ovens cook food?

Money, Printing -- Show 1212 -- A trip to the Bureau of Engraving...

Moon, Phases of the -- 1503 -- Why does the moon look different at different times of the month?

Monster Makeup -- Show 1004 -- How do make up artists make movie monsters so convincing?

Mount Rushmore -- Show 1113 -- Maintaining the world's largest sculpture...

Movie Dinosaurs -- Show 1205 -- Behind the scenes at Jurassic Park...

Movie Sound Effects -- Show 1206 -- Making sound effects at Skywalker Ranch...

The Moon -- investigated Newton's Classic #15.

Mummies -- Show 1302 -- What can mummies teach us about the past? Also investigated in Newton's Classic #1.

Muscles and Bones -- in Newton's Classic #11.

Murder Mystery -- Show 903 -- How forensic scientists help solve murder mysteries...

NASA Robots -- 1512 -- What are robots? How are they used in space?

Nails Bed -- investigated Newton's Classic #16.

Newspaper -- Show 1104 -- What technologies are used in producing a daily newspaper?

Neon -- in Newton's Classic #24.

Nicotine -- Show 1404 -- Why is it so hard to quit smoking?

Novocain™ -- 1506 -- How can the dentist drill my teeth without hurting me?

Nutrition, Arctic -- Show 1202 -- How do arctic explorers get the energy they need to complete an expedition?

Nutrition -- in Newton's Classic #12.

Oil Spills -- Show 1005 -- What is the technology used to clean up oil spills?

Old-Growth Forests/Spotted Owl -- Show 1107 -- Why should we save the spotted owl?

Olympic Solar Energy -- Show 1409 -- How is the sun used for power?

Olympic Training Center -- Show 901 -- Biomechanics helps athletes swim faster, jump higher...

Olympics: The Luge -- Show 901 -- High tech engineering at the Olympics...

Omnimax -- Show 1009 -- How are those huge-screen movies made and shown?

Ozone -- Show 1004 -- Chloroflourocarbons and ozone...

Owls Also investigated in Newton's Classic #1.

Permafrost -- Show 1106 -- What can permafrost tell us about past and future climate?

Perpetual Motion -- in Newton's Classic #9.

Pet Food -- 1504 -- How do scientists create the perfect dining delights for my pet?

Pelicans -- investigated Newton's Classic #16.

Penguins -- in Newton's Classic #3.

Pesticides-- Are pesticides safe? A Children's Health and the Environment activity guide.

Phases of the Moon -- 1503 -- Why does the moon look different at different times of the month?

Photography -- Show 1210 -- How does a piece of photographic film form a picture?

Photosynthesis -- Show 907 -- How do plants make food?

Plastic Surgery -- in Newton's Classic #21.

Polls (Election Polls and Surveys) -- Show 1003 -- Are polls valid?

Post Office -- Show 1411 -- What happens to a letter dropped in a mailbox?

Polarized Light -- in Newton's Classic #20.

Polar Expedition -- in Newton's Classic #22.

Pollutants and Fish-- Is that fish you caught safe to eat? A Children's Health and the Environment activity guide.

Printing Money -- Show 1212 -- A trip to the Bureau of Engraving...

Pronghorn Antelope -- investigated Newton's Classic #5.

Probability -- investigated Newton's Classic #16.

Prosthetic Limbs -- Show 1405 -- How does a person control a prosthetic hand?

Proteins -- Show 1513 -- What are proteins and why are they important?

Puffins -- in Newton's Classic #24.

Quackery, Medical -- Show 911 -- Can this medicine cure me?

Radioactivity -- in Newton's Classic #6.

Rainforest Animals -- Show 1408 -- How are animals in the rain forest unique?

Rainforest Plants -- Show 1408 -- What's unique about plant life in the rain forest?

Raptor Hospital -- Show 1208 -- A veterinary clinic for birds of prey... Also investigated in Newton's Classic #11.

Recycling (Glass Recycling ) -- Show 1007 -- Making new bottles from old...

Redwoods -- Show 1211 -- How do these trees grow so tall?

Reflex -- in Newton's Classic #25.

Resonance -- in Newton's Classic #12.

Reflexes -- Show 1301 -- Why in the world do we sneeze, cough, yawn, blink, and belch?

Riverboats -- Show 1403 -- How does steam power big machinery?

Robots -- 1512 -- What are robots and how do they differ from machines?

Robots, NASA -- 1512 -- What are robots? How are they used in space?

Rock Climbing -- Show 1101 -- Using biomechanics to scale a cliff...

Rube Goldberg Contest -- in Newton's Classic #24.

Satellite Technology -- Show 1001 -- Television shows and phone calls from space...

Science Try Its -- A collection of SciTry experiments from Season 11...

Scuba Diving -- 1502 -- What does it take to scuba dive?

Sea Otters -- in Newton's Classic #22.

Sewer Science -- Show 905 -- Where does it go after it goes down the drain?

Sharks -- Show 1402 -- How do sharks find their prey? Also investigated in Newton's Classic #9.

Side Stitching -- Newton's Classic #2.

Simulator Rides -- Show 1307 -- Fooling several of your senses makes these rides seem real.

Ski Jumping -- Show 1407 -- How do ski jumpers go so far?

Sky Blue -- Show 909 -- The sky is blue. Why?

Slinky Physics -- Show 908 -- How do they walk down stairs?

Sled Dogs -- in Newton's Classic #26.

Smiles -- 1508 -- Why do humans smile?

Snakes -- in Newton's Classic #13.

Snowflakes -- in Newton's Classic #25.

Soccer -- Show 1409 -- How can I control the soccer ball?

Solar Eclipse -- Show 912 -- Why don't eclipses happen more often?

Solar Energy, Olympic -- Show 1409 -- How is the sun used for power?

Sking -- in Newton's Classic #19.

Solar Powered Cars -- Show 902 -- How fast can you go on solar power?

Soviet Space -- Show 909 -- How does the Soviet space program differ from ours?

Spelunking -- Show 1401 -- How are caves formed?

Sponges -- investigated Newton's Classic #16.

Sports -- in Newton's Classic #6.

Spotted Owl/Old-Growth Forests -- Show 1107 -- Why should we save the spotted owl?

Stars -- in Newton's Classic #11.

Steroids -- Show 902 -- Do athletes need to take synthetic steroids?

Street Smart -- See how you do on this Street Smart quiz...

Stomach -- in Newton's Classic #10.

Sun -- Show 1206 -- It's not really on fire...

Suntan-- in Newton's Classic #12.

Sunken Slave Ship -- 1502 -- How and what can we learn from a shipwreck?

Survival, Arctic -- Show 1202 -- How do explorers keep warm in the Arctic?

Taste and Smell -- Show 1101 -- How are these two senses linked?

Tears -- Show 908 -- Why do we cry?

Television -- Show 1001 -- Behind the scenes at Newton's Apple...

Telescopes -- in Newton's Classic #18.

Telecommunications -- Show 911 -- Telephones, lasers, fiber obtics...

Thermograhpy -- in Newton's Classic #5.

Tigers -- in Newton's Classic #6.

Tornados -- in Newton's Classic #23.

Veterinarians (Wild Lion Vets) -- Show 1301 -- What is being done to ensure the future of lions in Africa?

Veterinarians, Zoo -- 1511 -- How is a zoo vet different from my puppy's vet?

Virtual Reality -- Show 1107 -- Is virtual reality as real as real reality?

Voice -- in Newton's Classic #5.

Warts -- in Newton's Classic #9

Waterskiing -- Show 1301 -- How does the shape of a water ski allow someone to stay on top of the water?

Wetlands -- Show 1413 -- What are wetlands and why are they so important?

Wild Lion Vets -- Show 1301 -- What is being done to ensure the future of lions in Africa?

Wilderness Training -- 1507 -- How do adventurers prepare for a long wilderness journey?

Wind Blow -- 1510 -- How do scientists design probes for distant planets?

Wrinkle's -- investigated Newton's Classic #14.

Windsurfing -- Show 1106 -- How can windsurfers reach speeds faster than the wind that powers them?

White-Water Rafting -- 1505 -- How do white-water rafters navigate the rapids?

Whales, Beluga --in Newton's Classic #2 and also in Newton's #21 .

Wrinkles -- investigated Newton's Classic #14.

Whales, Killer -- in Newton's Classic #7.

Whales, Baby -- investigated Newton's Classic #14.

Warts -- in Newton's Classic #9.

Yeast (Bread) -- Show 1205 -- What makes bread rise?

Yawning -- in Newton's Classic #5.

Zoo Veterinarians -- 1511 -- How is a zoo vet different from my puppy's vet?

Yaks -- investigated Newton's Classic #15.