ScienceDaily: Top Science News

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• Highly flexible despite hard-wiring: Even slight stimuli change the information flow in the brain
• New theory on size of black holes: Gas-guzzling black holes eat two courses at a time
• Humans began walking upright to carry scarce resources, chimp study suggests

Highly flexible despite hard-wiring: Even slight stimuli change the information flow in the brain Posted: 23 Mar 2012 05:53 PM PDT When looking at an optical illusion that can appear as either one cup or two faces, which do you see first? What we believe we see in one of the most famous optical illusions changes in a split second; and so does the path that the information takes in the brain. Changes in the information processing can be triggered even by a slight stimulus, such as a scent or sound, at the right time.

New theory on size of black holes: Gas-guzzling black holes eat two courses at a time Posted: 23 Mar 2012 10:48 AM PDT Astronomers have put forward a new theory about why black holes become so hugely massive -- claiming some of them have no 'table manners', and tip their 'food' directly into their mouths, eating more than one course simultaneously.

Humans began walking upright to carry scarce resources, chimp study suggests Posted: 23 Mar 2012 10:44 AM PDT Most of us walk and carry items in our hands every day. These are seemingly simple activities that the majority of us don't question. But scientists have discovered that human bipedalism, or walking upright, may have originated millions of years ago as an adaptation to carrying scarce, high-quality resources.

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