It's not just sadness that can lead to a broken heart
July 17, 2019, 10:12 a.m. by Jenn Savedge
'Broken-heart syndrome' is typically linked to stress or grief, but it may be caused by happy events or even cancer.
Why do we walk with straight arms but run with our arms bent?
July 11, 2019, 9:25 a.m. by Mary Jo DiLonardo
Researchers look at oxygen use and got some surprising results.