Sara Greenwald

11 Added | 2 Magazines | 3 Likes | @SaraGolden | Keep up with Sara Greenwald on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Sara Greenwald”

Environmental Health

How Do Horses Communicate? New Signals Found

<b>Forget talking horses like Mister Ed—when it comes to horse communication, the ears have it.</b><p>A new study revealed that a horse’s large, highly mobile ears can help tell another horse where to direct its attention, which may help the observing animals locate food and evade predators.<p>As one of the …

Iron Age Bones Discovered In Denmark Reveal Bizarre Ancient Rituals

The bones of dozens of Iron Age warriors found in Denmark were collected and ritually mutilated after spending months on the battlefield, archaeologists say.<p>At least six months after the soldiers died, their bones were collected, scraped of remaining flesh, sorted and dumped in a lake. Some were …

The True Story of Phineas Gage Is Much More Fascinating Than the Mythical Textbook Accounts

On Sept. 13, 1848, at around 4:30 p.m., the time of day when the mind might start wandering, a railroad foreman named Phineas Gage filled a drill …

Widely Used Insecticides Are Leaching Into Midwest Rivers

A class of insecticides called neonicotinoids, which are used on a lot of big corn and soybean fields, has been getting a pretty bad rap lately.<p>Researchers have implicated these chemicals, which are similar to nicotine, as a contributor to the alarming decline of bee colonies. That led the European …

Dogs Get Jealous, Too

<b>Dog owners were right all along. Our pups really do get jealous when we direct our affection elsewhere—but mostly when their rival for attention appears to threaten their social life.</b><p>Once thought to be too complex an emotion for nonhumans, jealousy in canines—and the “pay attention to me” behaviors …

Why Do Dogs Sniff Each Other's Butts? It's More Complicated Than You Might Imagine

Why do dogs sniff each other's butts? The answer to that question is a bit more complicated than you might imagine.<p>According to a new video from the American Chemical Society (above), it's all about one canine literally sniffing out important information about the other--its gender, emotional …

Social Octopus Species Shatters Beliefs About Ocean Dwellers

Group-living animals are helping scientists learn more about octopus behavior.<p>If recent octopus discoveries have taught us anything, it's that these eight-armed ocean dwellers are smart. They can use tools, change color in an instant, and commission their arms to solve problems. But they generally …

Zoology

Scientist Documents Massive Frog Die-Off (in His Own Pond)

Zoology

We’re in the early days of Earth’s sixth great extinction, say biologists

Since 1500, more than 320 land animals have gone extinct. Populations of the remaining species show a 25 percent average decline.<p>An international …