Uncategorized
- 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.
By Nathan Seppa - 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.
By Andrew Grant - 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.
By Bruce Bower - 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.
By Beth Mole - Animals
Dogs flub problem-solving test
Confronting a tough task, dogs are more likely than wolves to give up and gaze at a human
By Susan Milius - Animals
For a female mosquito, the wrong guy can mean no babies
Male Asian tiger mosquitoes leave female yellow fever mosquitoes uninterested in mating with their own species, a process known as “satyrization.”