Humans
We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
Human ancestors at West Asian site deemed two species
Researchers see two species instead of one at oldest known Homo site outside Africa.
- Health & Medicine
Experimental drug no Methuselah formula
Compound lets mice live healthier lives but doesn't extend life span.
- Health & Medicine
Experimental vaccines protect children from hand, foot and mouth disease
Shots prevented cases resulting from enterovirus 71.
- Health & Medicine
Five California children have polio-like symptoms
At least five, and possibly as many as 25, children in California have experienced poliolike symptoms, including paralysis of limbs and breathing problems, since 2012. Scientists are not yet sure what is causing the emerging disease.
- Health & Medicine
Rabbit heart gets full electrode jacket
A silicon jacket makes it possible for scientists to place sensors on specific areas of the heart without glue or stitches and could one day be used for diagnosing and treating human heart diseases.
- Anthropology
Cancer proposed as spur for evolution of dark-skinned ancestors
Fatal ailments might have sparked DNA changes that yielded dark skin in human ancestors.
- Environment
Handling receipts increases exposure to BPA
People who handle cash register receipts printed on thermal paper show notable exposure to bisphenol A.
- Health & Medicine
Beating addiction: impossible or surprisingly common?
Addiction may be a dysfunctional if temporary coping strategy, clouds may not reduce global warming and other stories from the March 22 issue.
- Health & Medicine
Brush kids’ teeth with just a little fluoride toothpaste
The American Dental Association has released new brushing guidelines for infants.
- Health & Medicine
Camels in Saudi Arabia teeming with MERS virus
Three-quarters of animals tested had signs of the MERS virus, which can be deadly in people.
- Health & Medicine
Acetaminophen use in pregnancy linked to kids’ slightly higher risk of ADHD
A large analysis shows an association between acetaminophen use in pregnancy and slightly higher risks of ADHD, but it does not prove the pain reliever causes the disorder.
- Health & Medicine
Urine test detects not pregnancy but cancer
A paper strip uses nanoparticles to pick up evidence of tumors or blood clots in mice.
