| Mar 20, 2014
| 5:01 PM
Why do our eyes open wide when we feel fear or narrow to slits when we express disgust? According to new research, it has to do with survival.
In a paper published Thursday in the journal Psychological Science, researchers concluded that expressions...
| May 21, 2014
| 2:58 PM
Today’s Google doodle celebrates the 215th birthday of Mary Anning, a 19th century fossil collector and paleontologist who, even as a poor working-class woman in a field dominated by wealthy upper-class men, helped shape the study of ancient extinct...
| May 16, 2014
| 1:28 PM
Sea turtles have it. So do salmon and Giant Burmese pythons. Pigeons are really famous for it. Now scientists report that some garden snails have a homing instinct too – but gardeners can overcome it with a simple heave-ho.
In a two-year...
| May 23, 2014
| 6:49 PM
Charles W. "Chuck" Woodfield, whose career in Baltimore County public schools teaching science and serving as department chair spanned more than four decades, died May 9 of complications from pneumonia at his Jarrettsville home. He was 88.
"I was very,...
| Apr 17, 2014
| 3:45 PM
Start with a sex-mad baroness and her frisky ménage à trois. Add in a stern German philosopher who fancied himself the next Friedrich Nietzsche, his mistress and a married couple who wanted a wholesome Swiss Family Robinson experience for their son. Throw...
| Apr 8, 2014
| 5:11 PM
Moving downward from the shoulder, the arms of Neil Shubin, fish paleontologist, are built like this: one bone, two bones, lots of bones, digits.
The same is true for a bird's wing, a leopard's forward leg and the front fins of Tiktaalik, the ancient...
| Apr 9, 2014
| 5:15 AM
Ever since Charles Darwin made his way to the Galapagos, we've heard a lot about that fateful moment when some previously water-bound creature pulled itself up from the slowly receding seas, took a breath and began the eons-long march to humanity....
| Apr 14, 2014
| 5:20 AM
Things get small — really small — in this week’s episode of "Cosmos," which tackles the unseen universe at the atomic scale, from the teeming ecosystem inside a single dewdrop and the intricate machinery inside a plant’s cells,...
| Nov 15, 2013
| 5:00 AM
Thursday was a true dog day afternoon, as scientists announced they had — perhaps — finally solved the riddle of the origin of domesticated dogs.
As my colleague Monte Morin reported: “Dogs evolved from a now extinct species of...
| Nov 14, 2013
| 11:26 AM
When it comes to evolutionary debates, this one is a major dogfight.
Since the time of Charles Darwin, scientists have argued over the origin of domesticated dogs, speculating wildly about how, when and where a toothy, flesh-eating beast was first...
| Feb 19, 2014
| 3:35 PM
I was delighted by the recent discovery of a mysterious rock on Mars that looks like a jelly doughnut and caused a brief scientific sensation. To see that much excitement brought to bear on any rock made the geo-educator in me feel pleased.