Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Colorectal cancer risk linked to stomach bacterium, inflammation
Stomach infection and high levels of inflammatory proteins are more common in people with colon polyps or disease, two studies show.
By Nathan Seppa - Chemistry
From movies you’ll love to drugs you’ll take
A new method picks out promising drug compounds by computer, in much the same way Netflix recommends DVDs to its customers.
- Anthropology
Hobbit debate goes out on some limbs
A new analysis of fossil hobbits’ limb bones links them to much earlier hominids, and immediately attracts criticism.
By Bruce Bower - Anthropology
For ancient hominids, thumbs up on precision grip
An analysis of a 6-million-year-old bone indicates that a humanlike grasp evolved among some of the earliest hominids.
By Bruce Bower - Life
BATTLE trial personalizes lung cancer treatment
A new study makes a first step toward personalized chemotherapy.
- Humans
Mercury surprise: Rice can be risky
A new study out of China shows that for millions of people at risk of eating toxic amounts of mercury-laced food, fish isn't the problem. Rice is.
By Janet Raloff - Anthropology
‘Java Man’ takes age to extremes
New dating of Indonesian strata has produced unexpected results.
By Bruce Bower - Health & Medicine
Why a rotten tooth is hard to find
The brain can’t distinguish some kinds of pain coming from top versus bottom teeth.
- Space
Not your grandfather’s space program
President Obama offers a new plan that would send humans to orbit Mars during the mid-2030s.
By Ron Cowen - Health & Medicine
Embryo transfer technique could prevent maternally inherited diseases
A new technique transplants healthy nuclear DNA of cells carrying mutated mitochondria.
- Health & Medicine
Insulin pump and computer mated to regulate blood sugar
A test in type 1 diabetes patients suggests that technology exists to create wearable, self-controlled “artificial pancreas.”
By Nathan Seppa - Life
Mutation effects often depend on genetic milieu
Genetic background is at least as important as environment, fruit fly research shows.