News
- Planetary Science
Galileo at Jupiter: The goodbye tour
After more than 6 years spent touring Jupiter and its four largest moons, the Galileo spacecraft’s mission is beginning to wind down.
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Infants emerge as picky imitators
By the age of 14 months, babies display a feel for evaluating the sensibility of an adult's behavior and either imitating the means to a goal or opting for a simpler way to achieve the same result.
- Health & Medicine
Alzheimer’s vaccine trial is suspended
A drug company in Ireland has halted tests of an experimental vaccine for Alzheimer's disease.
- Tech
Itsy chain turns bitsy gears
A tiny chain with links the size of biological cells offers a new way to deliver power to micromachines.
