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Latest Venkatesh Murthy Stories

Understanding The Nose
2012-12-19 18:59:17

Michael Harper for redOrbit.com — Your Universe Online Science is a magnificent thing and yet, there is still so much we don´t yet understand. For instance, scientists are still working to fully understand the part of our body that resides right in front of our face. More than 100 years ago, scientists discovered a mechanism that provides feedback from our nose to our brain. Though these scientists discovered this mechanism, they weren´t yet able to fully understand how it...

2009-10-14 13:22:18

Our brains, it turns out, are eco-friendly. A study published in Science and reviewed by F1000 Biology members Venkatesh Murthy and Jakob Sorensen reveals that our brains have the amazing ability to be energy efficient. Brain cells generate and propagate nerve impulses, or action potentials, by controlling the flow of positive sodium and potassium ions in and out of the cells. Re-establishing the ion equilibrium after an action potential requires energy. The amount of energy needed for action...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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