Global warming has created a feedback loop, wherein Arctic sunlight converts thawing ice into more CO2.
Lonely hearts club members get less deep sleep than their coupled counterparts.
Recent technological breakthroughs help prosthetics operate convincingly like the real thing.
Parents' line of vision is eye-catching to infants.
The time of year when you were born may affect your neurochemistry.
Most of the moon's craters were formed by asteroid crash landings millions or billions of years ago, but more recent collisions are also making their mark.
Birds' flight patterns are expanding due to climate change, which could upset fragile ecosystems.
Yellowstone sits atop a super volcano that could blow any day now.
We're finally starting to see positive results from environmental efforts to protect the Ozone Layer.
Being "braindead" and being "comatose" are not interchangeable terms.