News tagged with chemical signature
'Fear detector' being developed
Nov 03, 2009 |
2.8 / 5 (6) |
11
(PhysOrg.com) -- British scientists are aiming to develop a device that can detect the smell of fear, and that could one day identify terrorists, drug smugglers, and other criminals.
Studying a Star Before it is Born
Dec 04, 2009 |
4.6 / 5 (5) |
1
(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...
Unexpected amber find rewrites botanical history
Oct 02, 2009 |
4.6 / 5 (9) |
0
(PhysOrg.com) -- An unexpected discovery made by Macquarie University PhD student Sargent Bray about the origin and nature of chemical compounds contained in ancient amber has changed our understanding of ...
Obsidian 'trail' provides clues to how humans settled, interacted in Kuril Islands
Other Sciences / Archaeology & Fossils
Jun 22, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- Archaeologists have used stone tools to answer many questions about human ancestors in both the distant and near past and now they are analyzing the origin of obsidian flakes to better understand ...
The secret life of penguins revealed
May 13, 2009 |
5 / 5 (2) |
0
Famous for its cuteness and comic gait on land, the penguin also has an enigmatic life at sea, sometimes spending months foraging in the ocean before returning to its breeding grounds.
Scientist Uses Tracer to Predict Ancient Ocean Circulation
Space & Earth / Earth Sciences
Oct 20, 2008 |
3.6 / 5 (11) |
2
(PhysOrg.com) -- Even though the Cretaceous Period ended more than 65 million years ago, clues remain about how the ocean water circulated at that time. Measuring a chemical tracer in samples of ancient fish scales, bones ...
Hydrocarbon afterglow reveals reproductive cheaters
Biology /
Jan 09, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- An ‘honest indicator’ has been discovered by a scientific team at Arizona State University that reveals reproductive cheating. But before you run out to buy an infidelity identification kit, ...
