Health & Safety This week in science: The fluid dynamics of crowds, a bird fossil and morning mindsets 5:54pm February 06, 2025 by Emily Kwong Share URL copied to clipboard! Play Pause There was an error loading the media player. 300x250 Ad More All Things Considered National What the jury in the Sean Combs trial will be deliberating by Anastasia Tsioulcas National The latest in the deadly firefighter ambush in Idaho by Kirk Siegler 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate