Increased physical activity appears to be associated with a lower risk of cancer-specific and overall…
Month: December 2009
How the daisy got its spot: Insect mimicry
Dark spots on flower petals are common across many angiosperm plant families and occur on…
Further progress toward AIDS vaccine: Rabies-virus vaccine protects monkeys
Researchers are one step closer to developing a vaccine against the AIDS disease. They have…
Vampires and collisions rejuvenate stars
Using the NASA/ESA Hubble Space Telescope, astronomers have uncovered two distinct kinds of “rejuvenated” stars…
High-tech vehicles pose trouble for some mechanics (AP)
AP – A sign inside the Humming Motors auto repair shop says, “We do the…
Do consumers always approach pleasure and avoid pain? New study suggests an alternative
Whether it’s doing sit-ups or eating steamed veggies instead of fries, it’s often difficult to…
Certain genes boost chances for distributing variety of traits, drive evolution
Genes that don’t themselves directly affect the inherited characteristics of an organism but leave them…
Signaling decreases blood pressure, study finds
Blood pressure is controlled in part by changes in the radius of blood vessels; when…
Tourists in Antarctica cause of major concern
The 40,000 ‘eco-tourists’ who visit the South Pole every year cause enormous greenhouse gas emissions….
Genomic toggle switches divide autoimmune diseases into distinct clusters
Genomic switches can predispose an individual to one set of autoimmune disorders but protect the…