What Powered the Big Bang?
During the last decade, sky maps of the radiation relic of the Big Bang---first by NASA's Cosmic Background Explorer (COBE) satellite and more recently by other experiments, including Antarctic balloon flights and NASA's Wilkinson Microwave Anisotropy Probe…
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Biology
Throw Out Your Thermometer
If you're out camping, and you've left your favorite thermometer at home, how can you figure out the…
Astronomy
N81
NASA's Hubble Space Telescope has taken a 'family portrait' of young, ultra-bright stars nested in their…
General Science
Classifying Organisms
Have you ever noticed that when you see an insect or a bird, there is real satisfaction in giving it a name,…
Biology
What’s So Different About Ferns?
Most plants reproduce by producing a flower, then seeds. Anthers, considered the male reproductive structure,…