Uncategorized
- Health & Medicine
Study finds benefits from lowering blood pressure, but questions remain
Preliminary results from NIH clinical trial suggest that lower blood pressure is better, but scientists have not yet published the data and open questions remain.
- Health & Medicine
Coffee reveals itself as an unlikely elixir
Coffee is earning a reputation as a health tonic, reducing risk for a long list of ailments and even lowering death rates.
- Life
Old stem cell barriers fade away
Barrier that keeps aging factors out of stem cells breaks down with age.
- Materials Science
Invisibility cloaks slim down
A new invisibility cloak offers more stealth in a thinner package.
- Science & Society
Rocky families, not same-sex parents, blamed for kids’ troubles in adulthood
Range of adult problems linked to childhood family changes, not gay parents.
- Health & Medicine
In 1965, hopes were high for artificial hearts
Developing artificial hearts took longer than expected, and improved devices are still under investigation.
- Oceans
Giant barrel sponges are hijacking Florida’s coral reefs
Giant barrel sponges are gradually taking over and threatening Florida’s coral reefs, a new census suggests.
- Planetary Science
Enceladus’ ocean goes global
A subsurface liquid water ocean envelops Saturn’s icy moon Enceladus.
- Planetary Science
Mars’ ionosphere mystery explained
A decades-old disagreement between the Viking landers and spacecraft buzzing around Mars might come down to what time of day each was investigating the Red Planet’s ionosphere.
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- Environment
Home fires, farm fumes are leading causes of air-pollution deaths
Deadly air pollution comes from surprising sources, but toxicity of different types is still up in the air.
- Animals
Dogs flub problem-solving test
Confronting a tough task, dogs are more likely than wolves to give up and gaze at a human
