After years of trial and error, scientists have finally done something incredible: They have successfully grown human stem cells in a pig embryo. Why would anyone do this? Turns out, many ...

Researchers collected blood from Tim Friede who had been bitten by 18 different venomous snakes to make a universal antivenom ...

Just kidding, that's a regular sheep ... human cloning, scientists would need to ethically collect a large amount of donated eggs and find enough surrogates to carry them. But even if they made ...