1+ hour, 41+ min ago   (380+ words) Capuchin monkeys may provide insights into the dietary evolution of our early ancestors Bearded capuchin monkeys (Sapajus libidinosus) (shown) in Brazil are more in the mood for meat as access to fruit decreases. When the fruit runs low, some monkeys…...

6+ day, 4+ hour ago   (273+ words) Cataloging nature’s pokey bits reveals a trade-off between durability and effective piercing Cactus spines, shark teeth and porcupine quills are among the many and varied puncture tools that living things sport. Anderson and colleagues sampled a wide variety of spikes…...

1+ week, 20+ hour ago   (21+ words) Long-clawed shrews’ snouts temporarily grow larger in the winter. This skull reshaping may be an extreme survival strategy in cold conditions....

3+ week, 1+ day ago   (243+ words) Going around the icy mass potentially delayed a colony's adults from feeding its chicks For young emperor penguins like these, getting enough food is a matter of life or death. An emperor penguin colony in Antarctica had a run-in with…...

3+ week, 2+ day ago   (620+ words) Subtle shifts in a male pied flycatcher’s song reveal it’s already paired — and females notice A suitor’s mating status is important to a female pied flycatcher because males (one shown) that split their time between two nests provide less help…...

3+ week, 6+ day ago   (22+ words) A canopy call, a partial photo and DNA revealed a new primate species — one that may already be at risk of extinction....

4+ week, 6+ hour ago   (88+ words) It's pretty cool, but not exactly news, that lizards can regrow their tails and starfish can regenerate arms. However, the lost or discarded body parts typically decay and die within a few days or weeks. Not so for those of…...

4+ week, 1+ day ago   (456+ words) Exposure to PFAS and metals affects dolphins in ways also concerning for human health Six million common dolphins live in oceans around the world. How they respond to marine pollution can provide early warnings for human health. Exposure to trace…...

4+ week, 2+ day ago   (540+ words) Deformities, including evidence of a rare tumor, may have resulted from inbreeding Fossils of Smilodon fatalis — similar to the one shown here — show an elevated rate of spinal diseases, including nerve tumors that are normally rare. Clues to saber-toothed cats…...

1+ mon, 3+ day ago   (357+ words) Orcas might pulverize prey to help feed their young — or just for fun New footage shows orcas colliding with sunfish to make them explode — possibly to break these massive fish into smaller bites, or maybe just for fun. Orcas have…...