The Ouroboros within: stem cells
The biology of self-sustaining systems
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Science
Four fun facts about snakes
Deep in the coal mines of La Guajira, Colombia, students unearthed a skeleton of epic proportions. The gigantic fossils were initially thought to belong to a crocodilian. They were wrong. The fossils were the remnants of a snake—the largest snake to ever inhabit this earth: titanoboa. Estimated to be 42 to 43 feet long, the
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Where fluorescence microscopy cannot reach
Raman spectroscopy is the new black
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Grandma was wrong (this time)
The truth behind these common old wives’ tales
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What’s the deal with the Northern Star?
Freaky freaky Cepheid variables In act III, scene I of Shakespeare’s play Julius Caesar, Caesar says, “I am constant as the northern star.” Well, Caesar is wrong: it turns out that the northern star isn’t as constant as he thinks it is. It belongs to the family of Cepheid variables—the type of stars that pulsate
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