Life
- Plants
Botanists refine family tree for flowering plants
Two research teams have used the biggest array of flowering-plant genes yet to try to reconstruct the elusive evolutionary history of today's flowers.
- Plants
So Sproutish: Anti-aging gene for plants gives drought protection
A gene that can hold off the decrepitude of old age in plants offers an unusual approach to protecting crops from drought.
- Plants
It Takes a Village: Tweaking neighbors reroutes evolution
The other residents of a plant's neighborhood can make a big difference in whether evolutionary forces favor or punish a plant's trait.
- Paleontology
A toothy smile
Nigersaurus boasted more than 500 teeth, arranged in rows across its mouth.
- Paleontology
Huge, yet not quite life-size
The Carnegie Museum of Natural History in Pittsburgh will unveil the world's largest dinosaur mural on Nov. 21, when its dinosaur halls reopen after a 30-month, $36 million renovation.
- Plants
Tough Frills: Ferns’ wimp stage aces survival test
A supposedly fragile stage in the life of ferns shows surprising toughness.
- Paleontology
Back from the Dead?
The long-term disappearance of creatures from the fossil record and their later reemergence can provide insights into ancient environmental conditions and the trustworthiness of the fossil record itself.
- Animals
Mr. Not Wrong: Not my species? Not a problem
Female toads that accept mates of another species in tough times may be looking after their own interest.
- Ecosystems
Tortoise Genes and Island Beings
Geneticists and conservation biologists are joining forces to untangle the evolutionary history of giant Galápagos tortoises and to safeguard the animals' future.
- Animals
Cousin Who? Gliding mammals may be primates’ nearest kin
Two species of small, little-known rain forest mammals may be primates' closest living relatives.
- Paleontology
Meet the old wolves, same as the new wolves
The dire wolf, an extinct species preserved in abundance at the La Brea tar pits, seems to have had a social structure similar to that of its modern-day relatives.
- Paleontology
Dinosaurs matured sexually while still growing
Distinctive bone tissue in fossils of several dinosaur species suggests that the ancient reptiles became sexually mature long before they gained adult size.
