7:38
After A Bridge Collapse, Questions About Engineering Safety
A sudden bridge collapse in Italy has sparked interest in the safety of structures worldwide.
8:40
How A ‘Zombie Gene’ Helped Elephants Evolve Protection From Cancer
Researchers have identified a gene in elephants that can detect and kill cells that have damaged DNA.
25:39
How A Humble Microbe Shook The Evolutionary Tree
The discovery that a methane-burping microbe was not a bacterium, added a new, third branch to the tree of life: The Archaea.
The Roots Of The Tangled Genetic Tree
In this excerpt from David Quammen's "The Tangled Tree," meet the people who saw that evolution is more complex than you'd think.
The Invisible Forest Under The Sea
Half of the planet's oxygen comes from tiny plants under the ocean's surface.
11:50
Not Even The Smallest Are Spared Extinction
Bacteria have been on Earth longer than any of us. And new research suggests that even they suffer from extinction.
How Do ‘Killer Snails’ Kill Their Victims?
Model the hunting adaptations and a rich peptide venom cocktail of predatory cone snails in this exploration of the organism's structure and function.
11:39
The Genetics Of Becoming An Ant Queen
Scientists found that an insulin-like gene plays a role in determining what ant becomes a queen in a colony.
30:18
Adapt Or Die In The Urban Jungle
Just how and why do city mice and country mice diverge? It’s urban evolution in action.