News tagged with ratio
Oxygen isotopes improve weather predictability in Niger
For the African nation of Niger, the effect of seasonal atmospheric variability on the weather is poorly understood. Because most residents rely on local agriculture, improving the predictability of seasonal weather and precipitation ...
Space & Earth / Earth Sciences
May 17, 2012 |
not rated yet |
0
New finding may hold key to Gaia hypothesis of Earth as living organism
(Phys.org) -- Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery made at the University of Maryland may provide a key to answering this question. This key of sulfur ...
Space & Earth / Earth Sciences
May 15, 2012 |
3.4 / 5 (33) |
164
|
Early spring means more bat girls
There must be something in the warm breeze. A study on bats by a University of Calgary researcher suggests that bats produce twice as many female babies as male ones in years when spring comes early.
May 05, 2012 |
5 / 5 (1) |
0
|
Nanowires have superior electrical, mechanical properties and can be put to good use in pressure sensors
Miniaturized pressure sensors are widely used in mechanical and biomedical applications, for example, in gauging fuel pressure in cars or in monitoring blood pressure in patients. Woo-Tae Park and co-workers ...
Nanotechnology / Nanomaterials
Mar 29, 2012 |
5 / 5 (1) |
1
What really happened prior to 'Snowball Earth'?
In a study published in the journal Geology, scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that the large changes in the carbon isotopic composition of car ...
Space & Earth / Earth Sciences
Jan 27, 2012 |
4.2 / 5 (9) |
18
|
Cameras show 35 rare rhinos in Indonesia: official
Hidden cameras in the jungles of Indonesia's Java island have captured images of 35 critically endangered Javan rhinos, including five calves, an official said Friday.
Dec 30, 2011 |
5 / 5 (3) |
0
55": LG announces world's largest OLED TV panel
LG Display announced that it has developed the world's largest 55-inch OLED (Organic Light Emitting Diodes) TV panel. The 55-inch panel is a significant step forward in the popularization of OLED TVs and demonstrates ...
Electronics / Consumer & Gadgets
Dec 27, 2011 |
4.4 / 5 (16) |
9
|
Family composition determines success of great tit parents
Great tits who have as many sons as daughters acquire more grandchildren than great tits with an uneven family composition. That is because their children are reproductively more successful concludes NWO researcher Reinder ...
Dec 19, 2011 |
4 / 5 (1) |
1
Industrialization weakens important carbon sink
Australian scientists have reconstructed the past six thousand years in estuary sedimentation records to look for changes in plant and algae abundance. Their findings, published in Global Change Biology, show a ...
Nov 29, 2011 |
5 / 5 (1) |
1
The unstable future of a world full of men
As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.
Other Sciences / Social Sciences
Oct 26, 2011 |
5 / 5 (9) |
201
Manipulative mothers subdue show-off sons
The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...
Sep 12, 2011 |
5 / 5 (2) |
0
|
Deep recycling in the Earth faster than thought
The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, ...
Space & Earth / Earth Sciences
Aug 10, 2011 |
4.5 / 5 (4) |
18
|
Atmospheric carbon dioxide buildup unlikely to spark abrupt climate change
There have been instances in Earth history when average temperatures have changed rapidly, as much as 10 degrees Celsius (18 degrees Fahrenheit) over a few decades, and some have speculated the same could happen again as ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
3.8 / 5 (13) |
27
|
Has China's campaign against female feticide done more harm than good?
Why are female foetuses aborted in China? Boys are considered a greater asset for farming, but why has the number of families in the cities who want a boy at any cost doubled?
Other Sciences / Social Sciences
Jun 13, 2011 |
4 / 5 (2) |
0
Millions of girls lost to selective abortion in India: study
Sex selection of foetuses in India has led to 7.1 million fewer girls than boys up to age six, a gender gap that has widened by more than a million in a decade, according to a study released Tuesday.
May 24, 2011 |
5 / 5 (2) |
0
