Animal experiments showed that it protected them from typically lethal doses of the flu.
You fear what you search.
Everything from the way we look to the way we sleep could be affected by their DNA.
It's clear something has to change. But what?
E-cigarettes are still addictive, but they're not as harmful as tobacco cigarettes.
Traces of life were found in rocks dating back 3.95 billion years -- just a few hundred million years after the planet was formed.