Serengeti road divides biologists: Will a road across the northern tier of Serengeti National Park ruin it?
Hushed hoarders and prying pilferers
In order to prevent other birds from stealing the food they are storing for later, Eurasian jays, a type of corvid, minimizes any auditory hints a potential pilferer may use to steal their cache (food that ...
Dec 04, 2012
5 / 5 (2)
0
|
Curiosity rover finds old streambed on Martian surface
(Phys.org)—NASA's Curiosity rover mission has found evidence a stream once ran vigorously across the area on Mars where the rover is driving. There is earlier evidence for the presence of water on Mars, ...
Sep 27, 2012
4.9 / 5 (32)
50
|
New Mars rover sends higher-resolution image
(Phys.org) -- About two hours after landing on Mars and beaming back its first image, NASA's Curiosity rover transmitted a higher-resolution image of its new Martian home, Gale Crater. Mission Control at ...
Aug 06, 2012
4.5 / 5 (11)
10
|
A new direction for game controllers: Prototypes tug at thumb tips to enhance video gaming
University of Utah engineers designed a new kind of video game controller that not only vibrates like existing devices, but pulls and stretches the thumb tips in different directions to simulate the tug of ...
Mar 05, 2012
2.4 / 5 (5)
1
|
The legacy of the megaflood
(PhysOrg.com) -- Ambling through the parched and scarred landscape of eastern Washington state is the 60-mile-long Grand Coulee, the largest of the stair-step canyons that give the region called the Channeled ...
Feb 17, 2012
not rated yet
2
Iran, Iraq pay $1.2 bn to battle sandstorms
A top Iranian environment official said on Monday Tehran and Baghdad will jointly pay $1.2 billion in a project to reduce the number of sand dunes in a bid to cut the number of sandstorms from Iraq.
Oct 03, 2011
5 / 5 (1)
1
Rural road maintenance may accidentally push spread of invasive plants
'Thermal pollution' in rivers not fully mediated by gravel augmentation
Although adding gravel to a river to replace lost sediments won't likely cool the whole river channel, it can create cool water refuges that protect fish from thermal pollution, according to a U.S. Forest Service Pacific ...
Jun 08, 2011
4 / 5 (2)
0
Scientists explore the physics of bumpy roads
sand or gravel or snow -- develops ripples that make driving a very shaky experience. A team of physicists from Canada, France and the United Kingdom have recreated this "washboard" phenomenon in the lab with ...
Jul 07, 2009
3.5 / 5 (4)
2
On gravel roads, people drive at speed they are comfortable with, regardless of posted limit
Kansas gravel roads have varying speed limits, but a study by Kansas State University researchers shows that instead of abiding by those limits, people are more likely to use their own judgment to gauge how ...
Apr 10, 2009
3.2 / 5 (5)
2
