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Ask Science Theatre Archive: Index by Date
Ask Science Theatre Archive: Index by Date
1998
- 4/08/98 - Why does ice float?
- 3/25/98 - Why do potholes form?
- 3/11/98 - Why are planets round?
- 2/18/98 - Why do bears hibernate?
- 2/11/98 - What are CAT scans and how are they used?
- 1/28/98 - Why are there rainbows?
- 1/21/98 - How did Saturn get its rings?
- 1/14/98 - What is a falling star?
1997
- 12/31/97 - How is an earthquake measured?
- 12/10/97 - Is diabetes hereditary?
- 11/26/97 - What are the Northern Lights?
- 11/19/97 - How do scientists think the universe began?
- 11/12/97 - Why does the wind blow?
- 10/29/97 - Why do bats fly at night?
- 10/22/97 - How do tube worms on the bottom of the ocean live without light?
- 10/15/97 - Is everyone in the world related?
- 10/8/97 - How do snowflakes form?
- 9/24/97 - What makes gravity?
- 9/17/97 - Why is space black?
- 8/27/97 - How does the moon cause the tides in the ocean?
- 8/20/97 - What is a fossil and how is it preserved?
- 8/13/97 - What creates a tornado?
- 7/30/97 - How do bees make honey?
- 7/23/97 - What are killer bees?
- 7/16/97 - How does a spider web work?
- 7/9/97 - What are Black Widows?
- 6/25/97 - Where does the energy in lightning come from?
- 6/18/97 - If there are black holes in the universe that even light can't escape from how can scientists prove they exist?
- 6/11/97 - Why do mosquitoes bite people?
- 5/28/97 - What is solar energy and how can it be used?
- 5/21/97 - Why do boomerangs return?
- 5/14/97 - What is Murphy's Law?
- 4/30/97 - Is there any practical reason for the existence of flies?
- 4/16/97 - Why shouldn't pregnant women clean the cat litter box?
- 3/26/97 - How did the dinosaurs become extinct?
- 3/19/97 - How does a Thermos keep things hot?
- 3/12/97 - Why is 72 degrees Fahrenheit the most comfortable temperature for us?
- 2/19/97 - How can horses sleep while standing up?
- 2/12/97 - Why do onions make you cry?
- 1/29/97 - How do fluorocarbons destroy the ozone composing the ozone layer?
- 1/22/97 - What are Spandex, denim, satin, and polyester made of?
- 1/15/97 - What is soil made of and how does it help trees, flowers, and plants?
- 1/8/97 - Can genetic engineers do what was done in "Jurassic Park"?
1996
- 12/25/96 - How big can bacteria be?
- 12/18/96 - How does a local anesthetic numb the area without damaging the nerves?
- 12/11/96 - How can creatures without eyes know where they want to be?
- 11/27/96 - How do the police figure out blood alcohol?
- 11/20/96 - Why do stars appear in the night and not in the morning?
- 11/13/96 - How hot is the sun?
- 10/16/96 - What does the octane rating of gasoline mean?
- 9/25/96 - How does a match work?
- 9/18/96 - What is global warming?
- 8/26/96 - How does a gas pump automatically shut off when the gas tank is full?
- 8/14/96 - Why are plants green?
- 7/31/96 - What happens to paint when it dries?
- 7/17/96 - How do fireworks work?
- 6/26/96 - Is it really better to wear white clothing in the summer?
- 5/22/96 - Why is the sky blue and the clouds white?
- 5/15/96 - Why do days get longer in the summer?
- 5/8/96 - What is a calorie?
- 4/24/96 - Why does heat rise?
- 4/17/96 - How do mirrors work?
- 4/10/96 - Why does a train whistle change pitch as it passes?
- 3/27/96 - With all the new color copiers around, why can't counterfeiters just make copies of the money?
- 3/20/96 - Why is the sky blue?
- 3/13/96 - How do fiber optic cables work?
- 2/21/96 - Why is the sky blue?
- 2/14/96 - How is the speed of light measured?
- 1/31/96 - Why do we need to breathe oxygen?
- 1/17/96 - What causes the earth's magnetic field?
1995
- 12/27/95- Can scientists build dinosaurs like they did in "Jurassic Park"?
- 12/20/95- Why do we hiccup?
- 11/29/95- What makes the stealth bomber undetectable?
- 11/22/95- Why do astronauts seem weightless in orbit?
- 11/15/95- How does a microwave oven work?
- 11/08/95- How does a CD player work?
- 10/18/95- Why do we lose our tans in winter?
- 10/11/95- How was the sun formed?
- 9/27/95- What is DNA testing and how does it work?
- 9/20/95- Are stars really different colors?
- 9/13/95- Is everyone in the world related?
- 8/30/95- If fat and sugar are bad for you why have we evolved liking them so much?
- 8/16/95- What is hard water and why doesn't soap dissolve in it very well?
- 8/09/95- How does toothpaste prevent tooth decay?
- 7/26/95- How does chemotherapy fight cancer?
- 7/19/95- How does a virus cause disease?
- 7/12/95- What causes acid rain?
- 6/28/95- How can they tell how many calories are in different foods?
- 6/21/95- If the Earth is spinning and in orbit, why don't we feel it in our everyday life?
- 6/14/95- How does evolution work?
- 5/31/95- What is a gene?
- 5/24/95-Why do worms grow back after you cut them in two?
- 5/17/95- What is a computer virus?
- 5/10/95 - Where does helium come from?
- 5/03/95- Why is the sky blue?
- 4/26/95- What foods won't cause health problems?
- 4/19/95- Why did the dinosaurs die?
- 4/12/95- Why is there dew on the grass in the morning?
- 3/29/95- Why do the days seem longer now?
- 3/22/95-Why does salt dissolve in water and not in gasoline?
- 3/15/95- How do instant hot and cold packs work?
- 3/08/95- What is dirt made out of?
- 2/22/95- How can scientists "cut" and "paste" DNA?
- 2/15/95-Why does human hair only grow in as black, brown, red, blond or gray?
- 2/8/95 - How does blood clot when there are no cuts on the skin?
- 2/1/95 - How does salt keep the road from getting icy?
- 1/25/95 - How can a liquid, like paint, dry into a solid?
- 1/11/95 - Why does it get cold in the winter?
1994
- 12/21/94- When a ball is dropped in a moving car, why does it not fall the the back of the car?
- 12/14/94- How do planets stay in place? Why doesn't gravity pull them into the sun?
- 11/30/94- How does penicillin fight disease?
- 11/16/94- What causes the swively lines above a fire or heater?
- 11/9/94- What causes someone to have an allergic reaction?
- 10/26/94- How do antacids reduce indigestion?
- 10/12/94- Why does ice float?
- 10/5/94- Are bacteria really everywhere?
- 9/28/94- How do they make liquid nitrogen?
- 9/21/94- Why do my plants need so much water?
- 9/14/94- What is toxic waste?
- 8/31/94- How does carbon dioxide cause global warming?
8/24/94- How do hot air balloons float? - 8/10/94- Why does water bead up better on a well waxed car?
- 8/3/94- How can scientists determine the age of artifacts?
- 7/27/94- How do local anesthetics work?
7/20/94- How do crystals form in rocks? - 7/13/94- Is diabetes hereditary?
- 7/6/94- How does lightning cause thunder?
- 6/29/94- What is lightning made of?
- 6/22/94- What do nitrates and nitrites have to do with preserving food?
- 6/15/94- What is a heart bypass?
- 6/8/94- How does aspirin relieve pain?
- 6/1/94- Why are some elements radioactive?
5/18/94- Is matter mostly substance of space? - 5/11/94 - Why are the days longer now?
- 5/4/94 - Why are different things different colors?
- 4/13/94 - If liquid nitrogen is so cold, why does it boil?
- 4/06/94 - Why does water expand when it freezes?
- 3/30/94 - Where does the fizz in soda pop come from?
- 3/16/94 - What statistics should I know to make sense of science type news?
- 3/9/94 - Can genetic diseases be cured?
- 3/2/94 - What are genetic diseases and what causes them?
- 2/23/94 - Why does touching halogen bulbs shorten their life?
- 2/16/94 - Why is it that every time I get out of my car I get shocked?
- 2/9/94 - What is static electricity?
- 2/2/94 - Why do bears hibernate?
- 1/5/94 - How do biological rhythms affect our lives?
1993
- 12/29/93- Do people have biorhythms?
- 12/22/93- How do birds stand the cold when they don't fly south for the winter?
- 12/8/93- How does electricity work?
- 12/1/93- How long does it take your heart to circulate the total amount of blood in your body?
- 11/24/93- How can scientists know how old an archaeological site is?
- 11/17/93- How can DNA be so long if a cell is so small?
- 10/27/93- What elements are essential for life?
- 10/20/93- How do we know the sun's mass?
- 10/13/93- How hot is the sun, and how can we tell?
- 10/6/93- How can we know how far away the sun is?
- 9/22/93- What is chromatography and what is it used for?
- 9/15/93- Why does photosynthesis occur?
- 9/8/93- Do all animals have brains?
- 9/1/93- Where does rubber come from?
- 8/25/93- Why is helium sometimes put into scuba tanks?
- 8/18/93- Why do instructions for cooking at high altitudes require either higher temperatures or longer cooking times?
- 8/11/93- How is paper recycled?
- 8/4/93- If molecules are too small to see, then how do scientists tell different chemicals apart?
- 7/28/93 - What is faster the speed of light or the speed of sound?
- 7/21/93- Why do penguins only live in the south polar region and not the north?
- 7/14/93- How do we become tan as a result of being in the sun?
- 7/7/93- How do chlorofluorocarbons destroy the ozone?
- 6/30/93 - How and why does osmosis occur?
- 6/23/93 - How long will it take before we have thinking computers?
- 6/16/93 - What kinds of math do scientists use?
- 6/9/93 - Why is a catalyst important?
- 6/2/93 - What's the difference between genes and DNA?
- 5/26/93 - How does salt get into sea water?
- 5/12/93 - How do they make liquid oxygen?
- 5/5/93 - How do magnets work?
- 4/28/93 - How does a photocopy machine work?
- 4/21/93 - What are Spandex, denim, satin, and polyester made of?
- 4/14/93 - Why does a curve ball curve?
- 4/7/93 - Why don't birds get shocked when they sit on high voltage lines?
- 3/31/93 - What is the difference between hard and soft water?
- 3/24/93- When I look at my shadow in the winter, why does it look blue?
- 3/17/93 - If I float an ice cube in a glass of water filled to the brim will the water overflow when the ice melts?
- 3/10/93 - What are cosmic rays?
- 3/3/93 - How does a microphone work?
- 2/24/93 - Who invented the first car engine?
- 2/17/93 - What are the effects of acid rain?
- 2/10/93- How is metal made
- 2/3/93 - How do you make batteries and how do they work?
- 1/22/93 - Who discovered most of the elements on the periodic table?
- 1/13/93 - Why do old fashioned bicycles have a huge front wheel?
- 1/6/93 - How can ducks swim in freezing cold water?
1992
- 12/30/92 - How many slides does a snowflake have?
- 12/23/92 - Why are Christmas trees shaped like cones?
- 12/16/92 - How can a document be sent over wires in a fax machine?
- 12/9/92 - What is twilight?
- 12/2/92 - How are the rings formed on a tree trunk?
- 11/25/92 - Do bugs really have a thousand eyes?
- 11/18/92 - Why is it when you touch really cold metal your skin gets stuck?
- 11/11/92 - If you shake up a can of soda pop and then open it, why does it explode?
- 11/4/92 - Why do we have months?
- 10/28/92 - How is the speed of light measured?
- 10/21/92 - What is antimatter?
- 10/14/92 - What is twilight?
- 10/7/92 - How is soda pop carbonated?
- 9/30/92 - How do tornadoes start?
- 9/23/92 - If a hole could be dug from one side of the Earth to the other, what would happen to a ball that was dropped in?
- 9/16/92 - How long is a year on Pluto?
- 9/9/92 - Since we are quickly running out of fossil fuels, are electric cars going to be the cars of the future?
- 9/2/92 - Why do your ears pop in airplanes?
- 8/26/92 - Are there any ideas on how the polar ice caps of Mars could be used to provide oxygen and water to future colonies?
- 8/19/92 - What is quantum physics and how is it used?
- 8/12/92 - Why is it easier to walk on wet sand than dry sand?
- 8/5/92 - Why do shooting stars have glowing tails?
- 7/29/92 - What makes a rainbow?
- 7/22/92 - How many different ways can nuclear power by used?
- 7/15/92 - Was Columbus the first person to say the Earth is round?
- 7/8/92 - Is there any surgery to cure myopia?
- 7/1/92 - When a fire burns out, where does it go?
- 6/24/92 - What is the cause of the Northern Lights?
- 6/17/92 - How does a lightbulb work?
- 6/10/92 - Do we have evidence for intelligent life elsewhere in the universe?
- 6/3/92 - Why do stars shine?
- 5/27/92 - Why does inhaling helium cause you to talk funny?
- 5/20/92 - Why does metal always feel colder than wood?
- 5/13/92 - Why do the leaves turn colors in the fall?
- 5/6/92 - Do bathtubs in Australia drain in the opposite direction of bathtubs in America?
- 4/29/92 - Why does the Earth spin in the air without falling?
- 4/22/92 - Why is it when you siphon out a tonk the liquid keeps flowing?
- 4/15/92 - How does a lava lamp work?
- 4/8/92 - Why is grass green?
- 4/1/92 - Why is the snow white?
- 3/25/92 - Which freezes first, hot or cold water?
- 3/18/92 - Why, if water is cooler as you go down in a pond, does the top freeze first?
- 3/11/92 - Why do things float?
- 3/4/92 - Why does salt melt ice?
- 2/26/92 - How are black and white films colorized?
- 2/19/92 - What is the continental drift?
- 2/12/92 - What is a quark?
- 2/5/92 - What is a cyclotron?
- 1/29/92 - What is absolute zero?
- 1/22/92 - What is a light year?
- 1/15/92 - Why is the Sky Blue?
- 1/8/92 - Why is electricity so dangerous?
- 1/1/92 - Why do things glow when they get hot?
1991
- 12/25/91 - How does a gas pump automatically shut off when the gas tank is full?
- 12/18/91 - What are 'high Tc superconductors' and how will they be used?
- 12/11/91 - What makes nuclear fusion possible?
- 12/4/91 - Why do instructions for cooking at high altitudes require either higher temperatures or longer cooking times?
- 11/27/91 - How does a compact Disc player work and why are they better than record players?
- 11/20/91 - Why can you skate on ice and not on other substances?
- 11/13/91 - When I hard-boil eggs, they always have flat ends, or the shells crack and I get egg-white streamers. What am I doing wrong?
- 11/6/91 - Why does it get cold in the winter?
