Everyone who lives long enough is likely to experience back pain. And the cause isn't just aging. We have evolution to blame for a spine that's an engineering nightmare. Cheddar Explores how our spines changed to accommodate human bipedalism.
A new study published in the journal Science observed chin strap penguins in Antarctica and found that they take thousands of small naps a day each lasting only about four seconds.
The North American wolverine will receive long-delayed federal protections under a Biden administration proposal released Wednesday in response to scientists warning that climate change will likely melt away the rare species’ snowy mountain refuges.