News tagged with crystals

Geobiologists Discover Unique 'Magnetic Death Star' Fossil

Oct 21, 2008 | 4.5 / 5 (52) | 0

(PhysOrg.com) -- An international team of scientists has discovered microscopic, magnetic fossils resembling spears and spindles, unlike anything previously seen, among sediment layers deposited during an ...

Single Crystals as Reaction Vessels

Chemistry /

Sep 02, 2008 | 4.6 / 5 (8) | 1

Japanese researchers from the University of Tokyo have made a complex that crystallizes as a porous solid. Common reagents, even bulky ones, can easily diffuse into these pores and are sufficiently mobile to react with embedded ...

Scientists demonstrate the sharpest measurement of ice crystals in clouds

Space & Earth / Earth Sciences

Jul 17, 2008 | 3 / 5 (3) | 1

Scientists have created an instrument designed to help determine the shapes and sizes of tiny ice crystals typical of those found in high-altitude clouds, down to the micron level (comparable to the tiniest cells in the human ...

Process used by microges to make greenhouse gases uncovered

Biology /

Jul 07, 2008 | 4.7 / 5 (3) | 0

Researchers here now have a picture of a key molecule that lets microbes produce carbon dioxide and methane – the two greenhouse gases associated with global warming.