Scientists have found what they think is the oldest fossil on Earth, a remnant of life from 3.7 billion years ago when Earth’s skies were orange and its oceans green.
Category Archives: science
I gave blood recently after drinking (many cups of) coffee and can’t help but wonder – will any of the recipients of my caffeinated blood feel a caffeine jolt?
Although much of sleep medicine deals with getting enough, a rare disorder called idiopathic hypersomnia disrupts lives with constant sleepiness.
Scientists proposed a long-term project Thursday that involves creating DNA blueprints for making human beings, a prospect some observers find troubling.