24/07/2012

Research into oaks helps us understand climate change

Jeanne Romero-Severson, associate professor of biological sciences at the University of Notre Dame, and her collaborators, are tracking the evolution of the live oaks of eastern North America, seeking to understand how the ...

Evolution predictable for insects eating toxic plants

(Phys.org) -- The famous biologist Stephen J. Gould once asked: If we rerun the tape of life, would the outcome of evolution be the same? For years, scientists have questioned whether evolution is predictable, or whether ...

Superfast evolution in sea stars

(Phys.org) -- How quickly can new species arise? In as little as 6,000 years, according to a study of Australian sea stars.

Image: A storm of comets around star Eta Corvi

(Phys.org) -- This artist's conception illustrates a storm of comets around a star near our own, called Eta Corvi. Evidence for this barrage comes from NASA's Spitzer Space Telescope, whose infrared detectors picked up indications ...

A pulsar with a tremendous hiccup

(Phys.org) -- Pulsars are superlative cosmic beacons. These compact neutron stars rotate about their axes many times per second, emitting radio waves and gamma radiation into space.  Using ingenious data analysis methods, ...

Identifying the arrogant boss

(Phys.org) -- Arrogant bosses can drain the bottom line because they are typically poor performers who cover up their insecurities by disparaging subordinates, leading to organizational dysfunction and employee turnover.

Microwave heating improves artificial bone

An artificial bone scaffold produced by researchers in South Korea could enhance the treatment of bone damage and defects through bone grafts.

Engineers are designing, building mechanical ray (w/ Video)

(Phys.org) -- Batoid rays, such as stingrays and manta rays, are among nature's most elegant swimmers. They are fast, highly maneuverable, graceful, energy-efficient, can cruise, bird-like, for long distances in the deep, ...

Shaking the foundations of earthquake hazard prediction

European research into earthquakes of low seismicity is being incorporated into models that are more appropriate for Europe. To date, hazard assessment has been based on data from strong earthquakes.

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