Archive: 09/13/2011

When plants go polyploid

(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.

dateSep 13, 2011 in Plants & Animals
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Space image: New supernova remnant lights up

(PhysOrg.com) -- Using the Hubble Space Telescope, astronomers are witnessing the unprecedented transition of a supernova to a supernova remnant, where light from an exploding star in a neighboring galaxy, ...

dateSep 13, 2011 in Astronomy
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Non-native earthworms are damaging hardwood forests

Think of earthworms and a few things come to mind: they make great bait for fishing, they aerate the soil, and they're an excellent addition to a compost pile. But what a lot of people don't know is many earthworms are actually ...

dateSep 13, 2011 in Ecology
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Herschel paints new story of galaxy evolution

(PhysOrg.com) -- ESA's Herschel infrared space observatory has discovered that galaxies do not need to collide with each other to drive vigorous star birth. The finding overturns this long-held assumption ...

dateSep 13, 2011 in Astronomy
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Space mission tells of Antarctic melt

(PhysOrg.com) -- A team of researchers from The Australian National University has been selected from a competitive field to participate in NASA’s Gravity Recovery and Climate Experiment (GRACE) Science ...

dateSep 13, 2011 in Earth Sciences
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Why are orchids so successful?

In terms of diversity, orchids are one of the most successful groups of flowering plants, with over 22,000 species. Both pollinating animals and mycorrhizal fungi are believed to have been important in the ...

dateSep 13, 2011 in Plants & Animals
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