admin on December 8th, 2009

Scientists have shown that the presence of predators affects the behavior of Acanthodactylus beershebensis, a lizard species from the Negev Desert in Israel. According to the study, these reptiles move less and catch less mobile and different prey if they are under pressure from predators.

Continue reading about Lizard changes its diet to avoid predators

Commonly prescribed beta 2 adrenergic agonist drugs for the treatment of asthma in pregnant women as well as pre-term labor may increase the incidence of autism-spectrum disorders, psychiatric pathology, cognitive problems and poor school performance in their children, according to a new study.

Continue reading about Treatments for asthma and pre-term labor may increase risk of autism in developing fetus

Research engineers have discovered that in healthy cells, a bundled “cap” of thread-like fibers holds the cell’s nucleus in its proper place.

Continue reading about A cell’s ‘cap’ of bundled fibers could yield clues to disease

A randomized, controlled study comparing standard conservative therapy to a minimally invasive treatment called percutaneous disc decompression for painful herniated disc revealed that while both treatments help patients in the short run, only disc decompression kept patients pain free up to two years later.

Continue reading about Outpatient disc treatment gives long-term back pain relief

admin on December 8th, 2009

A new article addresses how the combined efforts of government commitments and market transition could save forest and reduce carbon emissions in Brazil.

Continue reading about The end of deforestation in the Brazilian Amazon?

Half of Australian adults and 63 percent of Australians on a higher income believe 15- to 17-year-olds should be allowed to consume alcohol under parental supervision at home, according to a new survey.

Continue reading about Many parents encourage underage drinking, Australian study finds

admin on December 8th, 2009

Birds’ alarm calls serve both to alert other birds to danger and to warn off predators. And some birds can pull a ventriloquist’s trick, singing from the side of their mouths, according to a new study.

Continue reading about Ventriloquist birds call to warn friends and enemies

Researchers have found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809. The discovery helps explain the record cold decade from 1810-1819.

Continue reading about Undocumented volcano contributed to extremely cold decade from 1810-1819

Nearly 100 years after the discovery of cosmic rays, a new type of gamma ray telescope is finally allowing physicists to make images of sites of cosmic ray acceleration.

Continue reading about Cosmic rays hunted down: Physicists closing in on origin of mysterious particles

admin on December 8th, 2009

Chemical identifiers secreted from the genital glands of lemurs, allow them to avoid incest and also to engage in nepotism. Researchers have identified the smells used by both male and female ring-tailed lemurs to advertise their family ties.

Continue reading about Scent signals stop incest in lemurs