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Potential consequences of discovering ETI and habitability of Luyten 726-8 A/UV Ceti

19 Dec 2011, 22:58 UTC
Potential consequences of discovering ETI and habitability of Luyten 726-8 A/UV Ceti
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Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:g Stars - What is the potential habitability of Luyten 726-8 A/UV Ceti, a star less than 10 light years from Earth? See article.g Imagining - Star Trek’s very first alien, the Talosians, pose quite an evolutionary challenge: Their heads are oversized because of large, powerful brains capable of telepathy and even mind control of others. First off, a brain of that size must demand a lot of energy. This is somewhat addressed through the large arteries and veins apparent on their bald heads; their frail bodies also indicate fewer cells below the neckline for oxygen-carrying blood to support. But they probably also need greater lung capacity to cycle more oxygen into their bodies as well as a larger heart for pumping that oxygen-laden blood to and through the brain. Their bodies don’t indicate larger lungs, however. Another problem with their head/brain size is giving birth. The enormity of the head is limited by the size and shape of the pelvis — and their human shape and gait indicates they couldn’t give birth to an infant with a head any ...

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