Bird feathers appear to be simplistic structures, but a catalogue of chemicals and environmental contaminants resides deep inside them, scientists report. And these can be used to measure a bird's health.
Mar 05, 2013
not rated yet
0
Onion and garlic waste from the food industry could be used to mop up hazardous heavy metals, including arsenic, cadmium, iron, lead, mercury and tin in contaminated materials, according to a research paper published in the ...
Dec 10, 2012
5 / 5 (1)
0
As far back in time as astronomers have been able to see, the universe has had some trace of heavy elements, such as carbon and oxygen. These elements, originally churned from the explosion of massive stars, ...
Dec 05, 2012
3.9 / 5 (15)
39
|
(Phys.org)—Dust is an annoyance in everyday life, but an important building block of stars and planets. As such, astronomers need to understand how cosmic dust forms over time—it's an integral step in ...
Oct 09, 2012
5 / 5 (4)
10
|
To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth ...
Aug 31, 2012
4.8 / 5 (9)
10
|
(Phys.org) -- An international research team has succeeded in directly measuring the strength of shell effects in very heavy elements at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt. The results ...
Aug 10, 2012
5 / 5 (10)
54
|
A few minutes after the Big Bang the universe contained no other elements than hydrogen and helium. Physicists of the Technische Universitaet Muenchen and the Helmholtz Center for Heavy Ion Research have now ...
Jun 20, 2012
4.2 / 5 (11)
4
|
(Phys.org) -- Building a terrestrial planet requires raw materials that weren't available in the early history of the universe. The Big Bang filled space with hydrogen and helium. Chemical elements like silicon ...
Jun 13, 2012
5 / 5 (6)
5
|
It had previously been thought that planets were more likely to form around a star if the star had a high content of heavier elements. But new research from the University of Copenhagen, among others, shows ...
Jun 13, 2012
4.8 / 5 (4)
7
|
Scientists now have evidence that Jupiter's core has been dissolving, and the implications stretch far outside of our solar system.
Mar 22, 2012
4.6 / 5 (28)
11
|
Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium — byproducts of the Big Bang. Some 300 million years later, the very first stars emerged, creating ...
Feb 17, 2012
4.7 / 5 (22)
116
|
(PhysOrg.com) -- Peering deep inside the hub of the neighboring Andromeda galaxy, NASA's Hubble Space Telescope has uncovered a large, rare population of hot, bright stars.
Jan 11, 2012
5 / 5 (4)
0
|
(PhysOrg.com) -- Matter in the universe after the big bang consisted almost entirely of hydrogen and helium atoms. Only later, after undergoing fusion reactions in the nuclear furnaces of stars, did these ...
Dec 19, 2011
4.4 / 5 (10)
15
|
(PhysOrg.com) -- New observations by NASA's Hubble Space Telescope are expanding astronomers' understanding of the ways in which galaxies continuously recycle immense volumes of hydrogen gas and heavy elements. ...
Nov 17, 2011
4.8 / 5 (9)
80
|
a kind of stellar fossils in the outer reaches of our galaxy, contain abnormally large amounts of heavy elements like gold, platinum and uranium. Where these large amounts came from has been a mystery for ...
Nov 15, 2011
4.8 / 5 (5)
3
|
