News tagged with magnetite grains

Mars meteorite controversy continues

The most illustrious meteorite in history continues to inspire heated debate. Does it carry microbial fossils from Mars or are its strange features just the product of some unique geochemistry? After almost ...

Space & Earth / Space Exploration

created Oct 22, 2010 | popularity 4.8 / 5 (16) | comments 6 | with audio podcast




Search results for magnetite grains


Humans shaped stone axes 1.8 million years ago, study says

A new study suggests that Homo erectus, a precursor to modern humans, was using advanced toolmaking methods in East Africa 1.8 million years ago, at least 300,000 years earlier than previously thought. The st ...

Other Sciences / Archaeology & Fossils

created Aug 31, 2011 | popularity 4.7 / 5 (7) | comments 10 | with audio podcast

Skeletons in the pre-Cambrian closet

The Cambrian explosion marked a major blossoming in the tree of life around 540 million years ago. Nearly all of the major phyla in the animal kingdom appeared in a sudden burst of evolution. One of the drivers ...

Other Sciences / Archaeology & Fossils

created Jan 07, 2011 | popularity 4.9 / 5 (14) | comments 3 | with audio podcast

It's a grind to make Mars red

(PhysOrg.com) -- The widespread idea that Mars is red due to rocks being rusted by the water that once flooded the red planet may be wrong. Recent laboratory studies show that the red dust may be formed by ...

Space & Earth / Space Exploration

created Sep 18, 2009 | popularity 4.5 / 5 (6) | comments 2

Tiny magnetic crystals in bacteria are a compass, say researchers

Scientists have shown that tiny crystals found inside bacteria provide a magnetic compass to help them navigate through sediment to find the best food, in research out today.

Biology /

created Dec 17, 2008 | popularity 4.9 / 5 (12) | comments 7

NASA's Twin Mars Rovers Continue Exploration

NASA's Spirit rover found a new class of water-affected rock, while its twin, Opportunity, finished inspecting its own heat shield and set a new martian driving record. The rovers successfully completed their three-month ...

Space & Earth /

created Feb 15, 2005 | popularity not rated yet | comments 0


List of search results for magnetite grains