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19618
The evidence at best is fuzzy for bee recognition of faces. Both sugar water and quinine have unique odors that are probably readily recognizable by bees. And what do the feeders look like in the bee spectral range? Jacques M. DulinSequim, Wash. For the test of bees’ face recognition, the researchers used empty, identical feeders […]
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19617
Regarding the findings in this article, would it be possible for an antibiotic to be included with the RU-486 package to prevent a Clostridium sordellii infection? Like millions of other people, I have to take an antibiotic prior to dental procedures to prevent the very rare possibility of an infection in my heart, and it […]
- Health & Medicine
Rare but Fatal Outcome: Four deaths may trace to abortion pill
In the past 5 years, four healthy women taking the abortion pill mifepristone have died of toxic shock syndrome.
- Anthropology
Waves of Grain: New data lift old model of agriculture’s origins
A new analysis of the locations and ages of ancient farming sites reinforces the controversial idea that the groups that started raising crops in the Middle East gradually grew in number and colonized much of Europe.
- Computing
Network Inoculation: Antivirus shield would outrace cyber infections
As a new way to protect a computer network from viruses, an epidemic of antiviral protection could theoretically propagate faster through the network than the virus itself, thanks to a novel topological twist.
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Arbiter of Taste: Energy molecule transmits flavor to brain
The energy molecule ATP may play a pivotal role in conveying information about foods' taste to the brain.
- Chemistry
Multitasking Miniatures: Tailor-made particles are versatile
A new class of tiny particles fashioned from metal and organic building blocks may lead to novel catalysts and sensors.
- Paleontology
New View: Fossil offers novel look at an ancient bird
A newly described specimen of an ancient creature that most scientists consider the oldest known bird is posed in a way that provides new viewing angles for several body features.
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Cognition down in apple-shaped seniors
Weight gain around the waist could go hand in hand with decreasing cognitive function as people age.
- Health & Medicine
Pomegranate juice could fight Alzheimer’s
Drinking pomegranate juice, already linked to a host of positive health effects, may also slow the progression of Alzheimer's disease.
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Spurned lovers’ brains reflect risk evaluation, pain
Using scanning technology, scientists can see the feelings of hurt, longing, and craving associated with a bad breakup reflected in the brains of recently rejected lovers.
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Insomniac brains are both asleep and awake
Brains affected by sleep-induced insomnia function as if both asleep and awake.
