If climate change accelerates, can animals and plants evolve quickly enough to keep up with it? Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years.
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The Japanese have an insatiable appetite for whale meat, but environmentalists have a new weapon in their fight against whaling–in another nonmilitary use of the same drones we use as a weapon in Iraq.
Japanese whaling ships tried to block anti-whaling ships sent by conservationist agencies like Greenpeace to chase the whalers so the whale hunters could escape, but the activists repeatedly launched a drone to track them.
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New research suggests it may be possible to learn high-performance tasks with little or no conscious effort. It may be possible to use brain technology to learn to play a piano, reduce mental stress or hit a curve ball with little or no conscious effort. So how do we do it?
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When Christopher Columbus and his crew landed on our shores in 1492, he brought many things with him–among them, the dreaded sexual disease syphilis, which can damage the heart, brain, eyes and bones, and can also be fatal.
This is shown by recent Indian skeletal evidence. In LiveScience.com, Charles Q. Choi quotes evolutionary biologist Kristin Harper as saying, "All of the skeletons that showed definite signs of (syphillis) appeared to be dated to after Columbus returned to Europe."
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