If you've ever eaten food while upside down - and who hasn't indulged this chimpanzee daydream? - you can thank the successive wave-like motions of peristalsis for keeping the chewed bolus down and ferrying it into your stomach. ...
Soft Matter
May 10, 2016
2
14
In 1940, the Tacoma Narrows Bridge collapsed in dramatic fashion, twisting in the wind before it snapped and plunged into the water below. As wind blew across the span, the flow induced oscillating sideways forces that helped ...
Soft Matter
May 10, 2016
0
19
Enzymes play a crucial role in most biological processes—controlling energy transduction, as well as the transcription and translation of genetic information and signaling. They possess a remarkable capacity to accelerate ...
Biochemistry
May 10, 2016
0
31
In the world of particle accelerators, laser wakefield devices are the small, but mighty upstarts. The machines can accelerate electrons to near the speed of light using a fraction of the distance required by conventional ...
General Physics
May 10, 2016
1
42
Imported forest pests cause billions of dollars in damages each year, and U.S. property owners and municipalities foot most of the bill. Efforts to prevent new pests are not keeping pace with escalating trade and must be ...
Ecology
May 10, 2016
0
61
The theoretical view of the structure of the atom nucleus is not carved in stone. Particularly, nuclear physics research could benefit from approaches found in other fields of physics. Reflections on these aspects were just ...
General Physics
May 10, 2016
0
13
Checking email for work. Posting a photo to Facebook. Texting the kids to come downstairs. Sending a quick snap to a friend. People of all ages might use their smartphones in these ways during shared meals.
Other
May 10, 2016
0
5
Health advertorials, or advertisements camouflaged as credible news, succeed in misleading people, in part, by tamping down their skepticism and expectations for truth in advertising, a Dartmouth College-Stanford University ...
Social Sciences
May 10, 2016
1
4
Only about 65 percent of homicides in the United States are solved - down 15 percent from the mid-1970s - but a new study led by a Michigan State University criminologist examines how some police departments are getting it ...
Social Sciences
May 10, 2016
3
7
Proteins are nature's machines. They provide oxygen to power our muscles, catalyze reactions that help us extract energy from food, and fend off infections from bacteria and viruses. For decades, scientists have searched ...
Biochemistry
May 10, 2016
0
77
