12:16
Hyper-Apex Predators: Colombian Fossils Reveal Big Reptilians Atop Ancient Marine Food Chain
Paleontologists pieced together a food chain from Paja Formation fossils, showing an additional level of apex predators with no modern equivalent.
17:30
Unlocking The Mysteries Of A Metal-Rich Asteroid
NASA’s Psyche spacecraft is on a six-year voyage to an asteroid largely made of metal. It may help us understand how planets form.
16:59
When Studying Ecology Means Celebrating Its Gifts
Bestselling author Robin Wall Kimmerer discusses the role of ceremony in our lives, and how to celebrate reciprocal relationships with the natural world.
16:56
Finding Meaning In The Cosmos
In her new memoir, astrobiologist Dr. Aomawa Shields describes how a quest for life in the cosmos helped her find meaning on Earth.
New Data Support Human Arrival In North America 22,000 Years Ago
A new analysis of ancient footprints in White Sands, New Mexico, adds to the debate about when humans arrived in North America.
The mRNA Vaccine Revolution
The mRNA innovations used to fight COVID-19 could be harnessed for nasal spray vaccines and even protection against other diseases.
The Stories Of The First Six Women Astronauts
You know Sally Ride. But what about the other first women astronauts? A new book from space reporter Loren Grush illuminates their stories.
How To View The October Eclipse
Much of the US will be able to see at least part of an annular solar eclipse on Saturday. Astronomer Dean Regas offers tips for safe viewing.
A Mathematician Asks ‘Is Math Real?’
When math is based on abstract concepts, how do we know it’s correct? Dr. Eugenia Cheng takes on that question in a new book.
12:17
An mRNA Advance Wins A Nobel Prize
Other awards went to advances in quantum dots, and timing super-fast electron pulses.