Ancient crocodile walked on two legs

The two-legged crocodile relative, which left the fossil footprints in what is now South Korea, may have looked like this. A hefty, 10-foot-long (3 meters) crocodile relative had an odd way of getting around 120 million years ago in what…

Anesthesia may work by targeting the fat in our brains

After nearly 150 years, we may finally understand how general anesthesia makes us drift into unconsciousness — although some of the specifics remain murky. These drugs dislodge molecules held in the fatty membrane that surrounds brain cells. Once the drugs…

The Rarest and Most Common Blood Types by Percentage

In general, the rarest blood type is AB-negative and the most common is O-positive. Here’s a breakdown of the most rare and common blood types by ethnicity, according to the American Red Cross. O-positive: Sourse: www.livescience.com Your blog is a…

Why Did the Democratic and Republican Parties Switch Platforms?

During the 1860s, Republicans, who dominated northern states, orchestrated an ambitious expansion of federal power, helping to fund the transcontinental railroad, the state university system and the settlement of the West by homesteaders, and instating a national currency and protective…