The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen is the most ...
Earth Sciences
Nov 23, 2011
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(PhysOrg.com)—An international research team decoded the genetic blueprint of the two-spotted spider mite, raising hope for new ways to attack the major pest, which resists pesticides and destroys crops and ornamental plants ...
Biotechnology
Nov 23, 2011
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A notebook containing Apollo 13 commander James Lovell's handwritten calculations to guide the damaged spacecraft back to Earth is being auctioned along with other artifacts from the 1970 mission.
Space Exploration
Nov 23, 2011
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US investigators have dismissed a report that computer hackers were behind the failure of a water pump at a plant in the midwestern US state of Illinois.
Internet
Nov 23, 2011
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Evolutionary biologist, author and National Medal of Science winner Lynn Margulis (MAR'-guh-liss) has died.
Other
Nov 23, 2011
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Each fall millions of monarch butterflies from across the eastern United States use a time-compensated sun compass to direct their navigation south, traveling up to 2,000 miles to an overwintering site in a specific grove ...
Biotechnology
Nov 23, 2011
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A new study involving bat skulls, bite force measurements and scat samples collected by an international team of evolutionary biologists is helping to solve a nagging question of evolution: Why some groups of animals develop ...
Plants & Animals
Nov 23, 2011
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The accumulation of damaged protein is a hallmark of aging that not even the humble baker's yeast can escape. Yet, aged yeast cells spawn off youthful daughter cells without any of the telltale protein clumps. Now, researchers ...
Cell & Microbiology
Nov 23, 2011
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(PhysOrg.com) -- Nucleic acid technology has revolutionized the field of biomedicine, as it can be effectively utilized in the diagnosis, treatment, and prevention of genetic diseases The efficacy of most oligonucleotide ...
Biochemistry
Nov 23, 2011
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(PhysOrg.com) -- Matthew Doty, assistant professor in the University of Delaware Department of Materials Science and Engineering, is co-author of two papers exploring novel methods for assembling quantum dots to control how ...
Nanophysics
Nov 23, 2011
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