6:30
Asteroid That Killed The Dinosaurs Was A Carbon-Rich Rock
A new study suggests that the giant dino-killing rock may have originated from the outer parts of the solar system.
17:28
Could ‘Season Creep’ Affect Human Behavior?
The seasons are arriving at different times than they used to. A psychologist weighs in on whether these shifts could impact our behavior.
17:00
Why Eels Are So Mysterious—And In Demand
In her new book, Ellen Ruppel Shell covers the natural history of eels and the crime ring that has sprung up from illegally trafficking them.
How One Photo Of A Flower Reignited A Species Debate
A new photo of a long-forgotten flower showed up online. Identifying it means getting into the tricky question of how a species is defined.
7:59
Protecting Sequoias From Wildfire Raises Tricky Questions
Sequoia National Park is largely designated as wilderness. That complicates efforts to protect its iconic trees from worsening wildfires.
17:07
The History Of Teeth, From Ancient Fish To Humans
In “Bite,” author Bill Schutt takes readers on a dental adventure spanning half a billion years and much of the animal kingdom.
What Vampire Bat Teeth Tell Us About Their Evolution
Author Bill Schutt writes about vampire bats’ unusual teeth—and how scientists puzzled over their evolutionary history.
8:51
Releasing Campsite Reservations In Waves Makes Booking Fairer
Some national and state parks are changing the way they open up campsite reservations online to make them more accessible to everyone.
17:23
Don’t Just Walk In The Woods—Touch, Smell, and Taste Them, Too
September’s SciFri Book Club pick, “Forest Walking,” teaches readers how to use all five senses to engage with forests in a deeper way.
If You Were A Scientist, Which Olympic Event Would You Study?
Are you obsessed with precision? Captivated by speed? Intrigued by social dynamics? Find out what sport satisfies your scientific brain.