Life
- Life
Nail-generating tissue also regrows fingertips
Stem cells spur return of amputated digits in mice
- Animals
Now-extinct wolf may be ancestor of modern-day dogs
No strong signs of canine ancestry among living grey wolves.
- Life
As Brood II emerges, questions remain about cicada cycles
The how and why of years lived underground are among the unsolved mysteries about the loud, obvious insects.
- Neuroscience
Research prods brain wiring underlying compulsive behavior
Complementary studies, focusing on repetitive grooming in mice, offer potential for new treatment strategies in humans.
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- Paleontology
Fossil sheds light on early primates
Partial skeleton near root of monkey, ape and human line.
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- Paleontology
Lizard king thrived in ancient warm climate
The herbivorous reptile of 40 million years ago was around 2 meters long.
- Animals
Frog long thought extinct rediscovered in Israel
Hula painted frog turns out to be the only surviving member of an extinct genus.
- Life
Genes weakly linked to education level
A search of more than 2 million DNA locations in more than 125,000 people finds a weak, and perhaps dubious, association with schooling.
- Animals
Two books explore the weirdest life on Earth
Zombie Birds, Astronaut Fish and Other Weird Animals by Becky Crew and Weird Life by David Toomey.
