Barn swallows live almost everywhere on the planet, recognizable by their forked tail and agility in the air. Yet while they share these characteristics, these little birds often look slightly different in each place they live—with some so distinct they’re splitting off to become new species
Today’s modern cities, from Denver to Dubai, could learn a thing or two from the ancestral Pueblo communities that once stretched across the southwestern United States. For starters, the more people live together, the better the living standards.
Smoking high-potency marijuana concentrates boosts blood levels of THC more than twice as much as smoking conventional weed, but it doesn’t necessarily get you higher, according to a new study of regular users published today by CU Boulder researchers.
The COVID-19 pandemic and resulting stay-at-home orders have taken a toll on many facets of physical and mental health in recent months. But according to new University of Colorado Boulder research, one silver lining may exist.