| Jun 11, 2014
| 1:30 PM
Researchers this week revealed that rats feel regret. So, does this mean we’re going to be getting an apology for that whole Black Death deal?
OK, probably not.
University of Minnesota researchers this week published the results of their...
| Jun 12, 2014
| 12:16 PM
Every predator needs to catch its prey. We humans use our hands, sharks and wolves use their jaws, but a few animals like frogs use something much stranger: their tongue.
To understand just how frogs snatch their snacks, scientists made the first direct...
| Jun 12, 2014
| 4:14 PM
Writers, artists and historians have long pondered what it means to be Mexican. Now science has offered its answer, and it could change how medicine uses racial and ethnic categories to assess disease risk, testing and treatment.
The broadest analysis...
| May 30, 2014
| 7:33 AM
The most critical ingredient in beer is also the least understood. Without the biological marvel that is Saccharomyces cerevisiae -- brewer’s yeast -- beer would simply be grainy soda pop, but brewers didn’t even know that yeast existed...
| May 31, 2014
| 1:05 PM
An unusually warm winter has left Albuquerque with an army of grasshoppers, who are now flying high enough to mess with weather radar readings.
With more eggs able to survive winter and hatch this spring, grasshoppers reached a point of infestation,...
| Aug 16, 2014
| 2:00 PM
Archaeologist Torben Rick watched with frustration as pounding surf clawed at one of North America's oldest homesteads, a massive heap of village foundations, cutting tools, beads and kitchen discards left behind over the last 13,000 years.
| Aug 6, 2014
| 10:07 PM
A pilot program starting this summer will tackle two environmental problems posed by thousands of cargo ships that use the ports of Los Angeles and Long Beach each year: The hulking vessels are major sources of air pollution and the shipping lanes overlap...
| Aug 8, 2014
| 3:47 PM
By the time NASA’s flying saucer splashed down in the Pacific in June, the engineers who designed it already knew their experiment had been a huge success. From the control tower at Kauai’s Pacific Missile Range Facility, they had watched...
| Aug 4, 2014
| 3:00 AM
Every Thursday morning, Judith Sydner-Gordon puts on the same simple uniform: khaki cargo pants and an electric orange T-shirt with a saber-toothed cat emblazoned across the front. Recently, she added an accessory, a miniature canine skull that dangles...
| Aug 4, 2014
| 6:00 PM
The first thing I notice as we climb the steep stairs is an old hand crank telephone — the kind that looks like a face with two brass bells for eyes and a black trumpet for a mouth. It sits in a cubby along with a rotary telephone from the 1950s and...
| Aug 25, 2014
| 8:36 PM
President Obama is considering a plan to designate the San Gabriel Mountains a national monument, an action intended to address crowding and pollution, and enhance recreational opportunities for a range that lies within an hour's drive for 10 million...