Humans
- Psychology
Confusion lingers over health-related pros and cons of marijuana
50 years ago, the effects of chronic marijuana smoking on mental health were hazy. They still are.
- Health & Medicine
By ganging up, HIV antibodies may defeat the virus
A duo or trio of powerful antibodies was effective at stopping an HIV-like infection in lab monkeys, two studies find.
- Astronomy
Readers ponder mini-spacecraft and Canaanites’ genomes
Readers have questions about miniature spacecraft project and Canaanite genealogy.
- Environment
The list of diseases linked to air pollution is growing
Air pollution levels have come down since the 1970s, but smog is being linked with a growing list of diseases, including dementia, obesity, diabetes and even Parkinson’s.
- Agriculture
‘Big Chicken’ chronicles the public health dangers of using antibiotics in farming
A new book takes a hard look at the chicken industry for its role in fostering antibiotic resistance.
- Animals
Animal goo inspires better glue
Researchers are turning to nature to create adhesives that work in the wet environment of the human body.
- Health & Medicine
Microbes hobble a widely used chemo drug
Bacteria associated with cancer cells can inactivate a chemotherapy drug.
- Health & Medicine
Help for postpartum mood disorders can be hard to come by
A new survey suggests that many postpartum women who suffer from depression, anxiety and other mood disorders don’t get the help they need.
- Anthropology
Skeleton ignites debate over whether women were Viking warriors
Scientists spar over a 10th century woman who may have had serious fight in her.
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- Health & Medicine
Sugars in breast milk may fight harmful bacteria directly
A small study finds that the sugars present in some women’s breast milk may fight potentially harmful bacteria.
- Life
When a fungus invades the lungs, immune cells can tell it to self-destruct
Immune system resists fungal infection by directing spores to their death.
