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?
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