2016-03-19 18:53
Fires Increase Due To Global Temperature RiseWhile everybody talks about the threat posed by stronger hurricanes due to global warming (see this earlier post ), the greater danger in the Ame… Read More
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2016-03-19 18:53
This post will help you understandWhy the "greenhouse effect" has to do with gases in the atmosphere,How these "greenhouse gases" in the atmosphere warm the Earth (and what that has to do wi… Read More
2016-03-19 18:53
Bovine Flatulence--Threat or Menace?Cows can digest things we can't, especially including the cellulose in grass and grain. They do this by maintaining cultures of microorganisms in their co… Read More
2016-03-19 18:53
Science DictionaryHere are some weird science words. Be careful how you use them.Auscultation—Listening. Especially listening to the sounds of the internal organs, as with a stethosc… Read More
2011-11-11 20:54
The Periodic Table of the Elements compresses an amazing amount of information into 118 boxes, one for each chemical element. The most stunning revelation of the table is the regularity of p… Read More
2011-09-29 20:35
The Journal of Visualized Experiments (JoVE) makes hands-on science available by video. Real scientists demonstrate their experiments on line to accompany their publications. A picture being… Read More
2011-08-30 23:24
The Set-Up:
I am going to test your understanding of "probability" and "randomness". For purposes of this demonstration, assume that the person in this picture has been randomly selected… Read More
2011-05-21 12:03
What true scientist has not asked, at some time or other, "Why is pee yellow?"Some European alchemists in the middle ages apparently thought one possible reason was that there was gold in… Read More
2011-05-14 12:14
How much oil has spilled?Big quantities are sometimes hard to grasp. They are outside our everyday experience. When you hear that millions of gallons of crude are spilling in the Gulf, how… Read More
2011-05-14 12:12
Rice field in BangladeshNew science raises serious concerns about the negative impact of global warming on crop yields and plant productivity in general.This could be one of the most severe… Read More
2011-05-14 12:10
If you don't understand "latent heat" you can't understand how much of the biosphere or a lot of engineering works. The latent heat of water is the energy absorbed when water is evaporated… Read More
2011-05-14 12:05
The Royal Society has published Climate change: A summary of the science. It has the aim "to summarise the current scientific evidence on climate change and its drivers." It is focused on ho… Read More
2011-05-14 12:04
Putting Fukushima In PerspectiveThis excellent chart puts in perspective the various amounts of radiation we might be exposed to. I know you can't read the reduced version shown he… Read More
2010-09-26 16:03
Flowers, sex and seedsFlowers are the specialized plant structures which produce pollen and where seeds develop within an enclosing fruit. Each seed (like the faba bean seeds at the right)… Read More
2010-08-26 00:56
Think of the colors you see in the sky. On a clear day, when the Sun is out, the sky may appear blue.Take the "Why is the sky blue?" quiz (multiple choice)Why is the sky blue?a. It isn't col… Read More
2010-08-26 00:55
Research Shows Scientists Agree on Global WarmingResearchers at Stanford and the University of Toronto noted that some people dispute whether there is "scientific consensus" on the reality a… Read More
2010-06-17 13:41
Confused about the many names for the Gulf of Mexico oil spill? Here is a useful list of equivalents.Deepwater Horizon Oil Spill--This follows the convention that spills are named after the… Read More
2010-06-04 18:56
Can the coolness of science be conveyed by a sort of synthetic music video? You decide:[If you can't see the video, watch it at YouTube here.]This is one of several videos created by John Bo… Read More
2010-05-16 17:39
A recent research paper found that there was a strong correlation between basic understanding of numbers and ability of subprime borrowers to keep their homes. People who understood percents… Read More
2010-04-06 19:01
Researchers at the University of New Hampshire have analyzed 60 years' worth of National Weather Service rainfall records in nine Northeastern states and found that storms that produce an… Read More
2007-12-04 01:30
Check out these science video sitesSeveral sites have been set up to allow research scientists and educators to post videos of their experiments, lab projects, or results. It's a chance to s… Read More
2007-08-27 20:25
Motile Plant Gametes"Mommy, Where Do Gametes Come From?""I'm glad you asked that, Honey. We usually don't see gametes, but just because they are small doesn't mean they're not important. "Yo… Read More
2007-08-01 21:58
Global Warming Means More Atlantic Tropical Storms and HurricanesA previous post discussed how global warming seems to be increasing the intensity of Atlantic hurricanes. At that time it was… Read More
2007-03-13 01:38
Did You Know?For every pound of gasoline your car burns, about three pounds of CO2 come out the tailpipe. So if your car gets 20 miles per gallon, you are emitting about a pound of CO2 per… Read More
2006-06-06 16:00
Does "survival of the fittest" mean anything?The phrase "survival of the fittest" is sometimes used as a kind of metaphor to explain what is meant by "evolution by means of natural selection… Read More
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