Annual bird counts give scientists climate clues

Armed with flashlights, recordings of bird calls, a small notebook and a stash of candy bars, scientist Rich Kostecke embarked on an annual 24-hour Christmastime count of birds along the Texas Gulf Coast. Yellow rail. Barn owl. Bittern. Crested Cara-Cara. Kostecke rattled off the names and scribbled them in his notebook. His data, along with that from more than 50 other volunteers spread out into...

Read More..

Most Extreme Space Discoveries of 2012

Astronomical discoveries in 2012 have reshaped what we know about the universe and pushed some instruments to the very limits of their observing power. Scientists discovered a galaxy that harbors an enormous central black hole 17 billion times more massive than the sun. Another research group spotted a scorching-hot rocky planet in the closest star system to our own. Meanwhile, the records for most...

Read More..

Jupiter, Moon Align in Christmas Skywatching Treat

As darkness falls on Christmas night, check out the east-southeast sky. Shining brilliantly to the upper left of the bright, nearly full moon will be a silvery "star" with a steady glow. But that's not a star, or Santa returning to the North Pole. Rather, it's the largest planet in our solar system, Jupiter, serving as a sort of holiday ornament with Earth's nearest neighbor to cap off a year of interesting...

Read More..

Revealed: Rudolph Really Did Have a Red Nose

Most people know Rudolph the Red-Nosed Reindeer had a very shiny nose — but why? Medical researchers say they've now found the answer. The secret to Rudolph's rosy schnozzle is the dense network of blood vessels in his nose. Reindeer, it seems, have 25 percent more capillaries carrying red, oxygen-rich blood in their nasal architecture than humans, say the scientists from the Erasmus Medical Center...

Read More..

The Hottest Climate Change Stories of 2012

Perhaps the most unavoidable climate story of 2012 was the warmth that gripped much of the United States, and to a lesser degree, the planet, throughout the entire year. Heat waves brought "spring in March" to parts of the country, and broke all-time high-temperature records in a number of places. This, inevitably, led to a discussion of global warming and the degree to which it contributes to some...

Read More..

Have Humans Caused a New Geological Era?

SAN FRANCISCO — Humans drive trillions of miles in cars, clear-cut forests for agriculture and create vast landfills teeming with tin cans, soda bottles and other detritus of industrialization. There's no doubt that humans have radically reshaped the planet, and those changes leave traces in the Earth's geological record. At the annual meeting of the American Geophysical Union this week, geologists...

Read More..

Disgust Makes Dirt More Visible

The feeling of disgust isn't particularly enjoyable, but new research suggests the "ewww" has its role: People who are disgusted are better at detecting impurities. In other words, disgust makes it easier to see dirt and other nastiness that might make us sick, researchers reported online Nov. 5 in the journal Psychological Science. The findings aren't the first example of emotions influencing...

Read More..