Uptake of DNA fragments from dying cells could redefine mammalian evolution and genomics

For decades, scientists have known that bacteria can exchange genetic material, in a process called horizontal gene transfer.
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I Use the Arrow Keys More Than Any Other Keys in Excel

Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...