Humans
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We summarize the week's scientific breakthroughs every Thursday.
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- Agriculture
Pesticide potency can depend on bug’s clock
The daily rhythms in gene activity can affect the toxicity of some poisons.
By Janet Raloff - Anthropology
Humanity’s upright gait may have roots in trees
A comparison of wrist bones from African apes and monkeys indicates that human ancestors began walking by exploiting the evolutionary legacy of ancient, tree-climbing apes.
By Bruce Bower - Health & Medicine
Collins takes helm at NIH
Renowned geneticist will lead the world's largest biomedical research enterprise.
By Janet Raloff - Earth
Spotting danger from on high
Airborne sensors can identify mineral outcrops and soil that may contain natural asbestos.
By Sid Perkins - Math
Baseball by the numbers
A new study evaluates the success of statistical analyses in determining the player with the golden glove.
- Life
DEET’s nastiness extends to humans
Study finds the bug-repellent ingredient stopped an enzyme from doing its job.
- Health & Medicine
Adult mouse gut makes new neurons
Scientists find newborn nerve cells in the intestines of adult mice, suggesting a new line of research for treating intestinal disorders.
- Health & Medicine
BPA: House tries to put feds on the spot
New legislation has a proviso asking for a reanalysis of a widely used plasticizer's safety.
By Janet Raloff - Health & Medicine
Twin towers fallout lingers
People who were near the World Trade Center on September 11, 2001, have high asthma and post-trauma stress rates years later.
By Nathan Seppa - Science & Society
News of science: Choose wisely
As the 'news' industry evolves, consumers who value quality science journalism may need to become ever more discriminating.
By Janet Raloff - Animals
New HIV-1 group
Scientists have identified another variant of the virus that can cause AIDS.