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New York eclipse, giant polar camels, cuckoldry rate, parceled DNA

Partial eclipse at sunrise, over New York City
Partial eclipse at sunrise, over New York City
Chris Cook

Partial eclipse in NYC (NASA)

Lunar eclipses are visible all over the Earth, but solar eclipses are not. There was partial solar eclipse last Monday, but it was mostly visible only in the Atlantic Ocean. However, you could see the end of it at dawn, in New York.

Giant polar camels (ScienceNOW)

Camels show up all over. Standard dromedary and Bactrian camels live in deserts. Llamas, alpacas, and vicunas (also varieties of camel) live in mountains. Now, Canadian paleontologists have found the bones of giant polar camels that lived in the Arctic 3.5 million years ago.

Fidelity through the ages (Discover)

There is a sort of urban legend that humans are so promiscuous, one in ten kids is not really the child of the purported father. The myth was recently put to the test, and busted, by a study comparing Y chromosome lineages to family names. The Y chromosome is only passed through the father. The actual cuckoldry rate turns out to be under 1%.

Parceled DNA (Science Daily)

For some generations now, we've been taught that each cell of our body contains a complete copy of our genes. No. Now we are able to do genetic analysis on individual cells, and it turns out that neurons not only don't carry the whole set of genes, different neurons carry different selections. Furthermore, about 40% of them have their own private mutations, not inherited from either parent.

Light therapy for Alzheimer's (Science Daily)

Researchers in Sweden and Poland may be on the track of a form of light therapy for Alzheimer's, Parkinson's, and other neurological diseases. These diseases involve plaques of badly formed protein in the brain, and the researchers have found the exact combinations of laser wavelengths that can destroy the plaques ... without frying the brain.

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