News tagged with hematite
Deep-sea rocks point to early oxygen on Earth
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists.
Space & Earth / Earth Sciences
Mar 24, 2009 |
4.9 / 5 (15) |
1
Search results for hematite
Research team finds evidence of red ochre use by Neanderthals 200,000 years ago
(PhysOrg.com) -- Until recently, archeologists have thought of Neanderthals, an early relative of humans, as thick, slow thinking and likely uncreative. Now, new evidence dispels part of that image. Archeologists ...
Other Sciences / Archaeology & Fossils
Jan 24, 2012 |
4 / 5 (6) |
7
|
Curiosity rover will serve as terramechanics instrument in explortation of Martian soils
NASA has announced that Raymond E. Arvidson, PhD, the James S. McDonnell Distinguished University Professor in Earth and Planetary Sciences in Arts & Sciences at Washington University in St. Louis, has been ...
Space & Earth / Space Exploration
Jan 20, 2012 |
5 / 5 (2) |
0
Algal protein gives boost to electrochemical water splitting
Photosynthesis is considered the 'Holy Grail' in the field of sustainable energy generation because it directly converts solar energy into storable fuel using nothing but water and carbon dioxide (CO2). Scientists ...
Dec 19, 2011 |
4.3 / 5 (4) |
0
Cosmic voyager has a layover in St. Louis
Last January two amateur meteorite hunters dropped by Randy Korotev's office at Washington University in St. Louis to show him their latest purchase, a 17-kilogram pallasite meteorite found in 2006 near Conception ...
Space & Earth / Space Exploration
Nov 10, 2011 |
5 / 5 (2) |
0
Authenticating ancient artifacts
(PhysOrg.com) -- Piecing together the history of ancient ceramic objects can be difficult, especially when all that remains is a few small shards. However, clues about the authenticity and provenance of such ...
Aug 09, 2011 |
not rated yet |
1
Cantor exhibition depicts how ancient world used color, how science reveals the faded past
With the silent attentiveness of a physician, Ivy Nguyen passes her hands over the recumbent white lady in the darkened lab. She cradles a handheld black light in her fingers.
Other Sciences / Archaeology & Fossils
Mar 18, 2011 |
4.3 / 5 (3) |
0
New study finds apex fossils aren't life
Structures thought of as the oldest known fossils of microbes might actually be microscopic mineral formations not associated with life, suggesting that astrobiologists have to be careful calling alien objects ...
Space & Earth / Earth Sciences
Mar 18, 2011 |
4.7 / 5 (3) |
1
|
Research overturns oldest evidence of life on Earth
(PhysOrg.com) -- It appears that the supposed oldest examples of life on our planet -- 3.5 billion-year-old bacteria fossils found in Australian rock called Apex Chert -- are nothing more than tiny gaps in ...
Space & Earth / Earth Sciences
Mar 16, 2011 |
4.9 / 5 (14) |
14
|
Oldest fossils ever found may not be fossils after all
(PhysOrg.com) -- A rock formation in Western Australia was the site of great excitement a couple of decades ago when it revealed evidence of the oldest fossils of bacteria ever found, but a new study casts ...
Space & Earth / Earth Sciences
Feb 21, 2011 |
4.7 / 5 (22) |
53
|
Nanonets give rust a boost as agent in water splitting's hydrogen harvest
Coating a lattice of tiny wires called Nanonets with iron oxide – known more commonly as rust – creates an economical and efficient platform for the process of water splitting, an emerging clean ...
Nanotechnology / Nanomaterials
Feb 09, 2011 |
4.8 / 5 (6) |
2
|
List of search results for hematite
