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Start exercising – The discovery that aerobic exercise builds brain cells should put an end to the stereotype of the dumb athlete.

In PhysOrg.com, Lin Edwards reports that neuroscientists discovered this by studying the effects of running on the brains of mice. Some had wheels to run on and others did not and both groups had their memories tested regularly. The scores of mice with access to the running wheel were almost double those of the non-running group.

The researchers are not yet clear on exactly why exercise triggers the growth of brain cells. It may be because exercise increases blood flow or because it elevates certain hormone levels. Exercise may also reduce the level of the hormone cortisol, which is associated with stress.
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What may be happening – UFOs are well known for stopping cars dead as they hover above them. How do they do it? Car chases are common on the nightly news in Los Angeles, and they’re also dangerous. If police could figure out how to stop cars in their tracks the way UFOs do, there would no longer be a problem, and maybe they have.

The secret is electromagnetic pulse, which only works if vehicles that have on board computers (which most cars now do). In PhysOrg.com, John Messina reports that the Air Force is now trying to develop a non-lethal weapon that can stop cars (and tanks). If a suspected suicide bomber drove a car or truck through a barrier, it would be one way to stop him from driving into a crowd where he could detonate his device.
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FOUND by Tweeters in Boston! – According to the US Geological Society (USGS), the magnitude-7 earthquake of January 12 near Port-au-Prince, Haiti, has generated a sharp increase in concerns about the potential for future earthquakes in Haiti and the surrounding region. The aftershocks will continue for months if not years in the affected area. The frequency of events will diminish with time, but damaging earthquakes will remain possible in the coming months. There is also a small chance of future earthquakes larger than the original one. During the recent quake cell phones and tweets played a major role is rescuing survivors, and some of the people coming to Haiti’s aid in this way were as far away as Boston!
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Just in time for the Superbowl! – The Superbowl is coming up soon, and baseball science may give NFL players some valuable tips on how to catch a ball while on the run, something that’s essential in football. When the quarterback throws to the receiver, he has to aim for where he WILL BE when the ball arrives and the receiver has to know where to position himself in order to catch it.
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