Trilobites: When Did Americans Stop Marrying Their Cousins? Ask the World’s Largest Family Tree14:17, March 01 449 0 Researchers assembled 5 million family trees using data from the website Geni.com to test several genetic and historical hypotheses.
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Trilobites: You Get Thirsty and Drink. How Does Your Brain Signal You’ve Had Enough?
09:59, March 01 487 0
Researchers have identified a set of neurons in mice that may explain the swift sensation of satisfaction that comes after a drink of water. -
When Stars Were Born: Earliest Starlight’s Effects Are Detected
13:50, February 28 537 0
Using a telescope in Australia, astronomers say they have glimpsed farther back in time than the Hubble Telescope to see what was happening when the first stars were forming. -
Trilobites: No Sign of Newborn North Atlantic Whales This Breeding Season
12:21, February 28 429 0
Researchers tracking the endangered species grounds for birthing calves haven’t seen one baby this season, further raising the specter of extinction for the whales. -
It’s a Dog’s World, Especially in the Lab. Where Are the Cats?
08:08, February 26 542 0
An inquiry into why research on the nature of dogs gets so much attention raises the question of whether there are actually more studies of dogs. -
Matter: The World’s First Misunderstood Artists: Neanderthals
14:16, February 22 571 0
Cave paintings in Spain were made by Neanderthals, not modern humans, archaeologists reported. The finding adds to evidence that Neanderthals were capable of symbolic thought and perhaps language. -
Trilobites: For Vampire Bats to Live on Blood, It Takes Guts
09:56, February 22 526 0
Blood is a very difficult thing to live well on, but a new study of the gut microbes and genomes of vampire bats offer insights into how they do it. -
In Picasso’s Blue Period, Scanners Find Secrets He Painted Over
09:27, February 21 431 0
Scientists used a variety of tools originally developed for medicine, manufacturing and geology to discover hidden details in the artist’s paintings and sculptures. -
Out There: Astronomers’ Dark Energy Hopes Fade to Gray
07:47, February 19 569 0
The Wfirst project, which would have investigated the force of dark energy in the universe and searched for more planets, has been cut from NASA’s proposed budget. -
Trilobites: Coffee Beans Are Good for Birds, Fancy Brew or Not
14:37, February 16 655 0
A study of India’s Western Ghats region found that growing coffee doesn’t interfere with biodiversity, regardless of which bean the farmer chooses.
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