All Stories
- 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.
- Animals
Why we need predators
It might be easy to say that we should wipe out species that can kill us. But the effects of such action would be far ranging.
- 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
Warmer waters give Arctic mosquitoes a growth spurt
Arctic mosquitoes develop faster in warmer waters, outpacing increased predation.
- 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.”
- Animals
Dogs flub problem-solving test
Confronting a tough task, dogs are more likely than wolves to give up and gaze at a human
- Health & Medicine
Backwash from nursing babies may trigger infection fighters
A nursing baby’s saliva may get slurped back into mom’s breast, where it stimulates an immune response.
- Planetary Science
Satellite captures double solar eclipse in action
NASA’s Solar Dynamics Observatory caught a rare double eclipse as both Earth and the moon partially blocked the sun.
