EvolutionaryBiology
How climate shaped bears, dogs, and more
How climate shaped bears, dogs, and more Researchers at the University of Washington studied over 850 carnivoran specimens to understand how climate changes shaped their body shapes. The study found that two major climate transitions, around 34 million years ago and 15-13 million years ago, led to changes in body shape between different carnivoran families. […]
🔬 Science
Why do we yawn?
Why do we yawn? Yawning is an instinct that occurs in all animals, including cats. The exact reason for yawning in humans is still unknown and not definitively studied. Some experts suggest that yawning may be related to sleep needs, hunger, or boredom, but these theories are not conclusive. Fetuses have been observed yawning, suggesting […]
🏥 Health