ScienceDaily: Top Science News |
- Memory-boosting chemical identified in mice: Cell biologists find molecule targets a key biological pathway
- Mystery of X-ray light from black holes solved
- Study of oceans' past raises worries about their future
- Wild cheetah accelerate fast and reach speeds of up to 58 miles per hour during a hunt
- Menopause may be an unintended outcome of men's preference for younger mates
- Can you feel me now? New array measures vibrations across skin, may help engineers design tactile displays
- From the mouths of babes: Toddlers' speech is far more advanced than previously thought
- A turbocharger for nerve cells: Key mechanism boosts the signaling function of neurons in brain
- Flare star WX UMa becomes 15 times brighter in less than 3 minutes
| Posted: 14 Jun 2013 01:48 PM PDT Memory improved in mice injected with a small, drug-like molecule discovered by researchers studying how cells respond to biological stress. |
| Mystery of X-ray light from black holes solved Posted: 14 Jun 2013 11:05 AM PDT Astrophysicists using high-powered computer simulartions demonstrate that gas spiraling toward a black hole inevitably results in X-ray emissions. |
| Study of oceans' past raises worries about their future Posted: 14 Jun 2013 08:16 AM PDT Scientists have now completed the first global study of changes that occurred in a crucial component of ocean chemistry, the nitrogen cycle, at the end of the last ice age. The results of their study confirm that oceans are good at balancing the nitrogen cycle on a global scale. But the data also shows that it is a slow process that may take many centuries, or even millennia, raising worries about the effects of the scale and speed of current changes in the ocean. |
| Wild cheetah accelerate fast and reach speeds of up to 58 miles per hour during a hunt Posted: 14 Jun 2013 05:29 AM PDT Researchers have captured the first detailed information on the hunting dynamics of the wild cheetah in its natural habitat. Using an innovative GPS and motion sensing collar that they designed, biologists were able to record remarkable speeds of up to 58 miles per hour. |
| Menopause may be an unintended outcome of men's preference for younger mates Posted: 14 Jun 2013 05:26 AM PDT After decades of laboring under other theories that never seemed to add up, biologists have concluded that menopause is actually an unintended outcome of natural selection generated by men's historical preference for younger mates. |
| Posted: 14 Jun 2013 05:26 AM PDT A new array measures vibrations across skin may help engineers design tactile displays. |
| From the mouths of babes: Toddlers' speech is far more advanced than previously thought Posted: 14 Jun 2013 05:25 AM PDT The sound of small children chattering away as they learn to talk has always been considered cute -- but not particularly sophisticated. However, new research has shown that toddlers' speech is far more advanced than previously understood. |
| A turbocharger for nerve cells: Key mechanism boosts the signaling function of neurons in brain Posted: 14 Jun 2013 05:25 AM PDT Locating a car that's blowing its horn in heavy traffic, channel-hopping between football and a thriller on TV without losing the plot, and not forgetting the start of a sentence by the time we have read to the end -- we consider all of these to be normal everyday functions. They enable us to react to fast-changing circumstances and to carry out even complex activities correctly. For this to work, the neuron circuits in our brain have to be very flexible. Scientists have now discovered an important molecular mechanism that turns neurons into true masters of adaptation. |
| Flare star WX UMa becomes 15 times brighter in less than 3 minutes Posted: 14 Jun 2013 05:22 AM PDT Astrophysicists have detected a star of low luminosity which within a matter of moments gave off a flare so strong that it became almost 15 times brighter. The star in question is the flare star WX UMa. |
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