Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Smoking laws limit heart attacks
A county that banned smoking in bars, restaurants and other workplaces saw a one-third decrease, a new study finds.
By Nathan Seppa -
- Health & Medicine
Same neurons at work in sleep and under anesthesia
Drugs boost activity in nerve cells that usually induce a slumber.
- Humans
Shoulder fossil may put Lucy’s kind up a tree
Fossils of an ancient child suggest the more than 3-million-year-old hominid mixed climbing with walking.
By Bruce Bower - Health & Medicine
Aspirin has selective benefit in colorectal cancer
Patients with a common gene mutation survive longer, which might enable doctors to predict who would get results from the drug.
By Nathan Seppa - Chemistry
Human blood types have deep evolutionary roots
The ABO system may date back 20 million years or more, a genetic analysis suggests.
- Humans
The man behind Sarcastic Rover
NASA’s newest rover, Curiosity, wasn’t alone on Mars for long.
By Nadia Drake -
- Health & Medicine
Suicidal Threads
Early abuse weaves its way into the brain, with potentially tragic consequences.
- Genetics
Genetic mutations may explain a brain cancer’s tenacity
DNA damage may transform adult cells in glioblastoma, making the malignancy harder to kill.
- Health & Medicine
Body & Brain
Blood pressure decreases with apnea treatment, vitamins fail to protect against colorectal cancer, and more news from this week’s medical journals.
By Nathan Seppa - Psychology
Delaying gratification is about worldview as much as willpower
Preschoolers’ social expectations influence how long they’re willing to hold out for extra goodies.
By Bruce Bower