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Invader ants win by losing diversity

The Argentine ants that are trouncing U.S. species derive much of their takeover power, oddly enough, from losing genetic diversity.

19155

I think it’s more than coincidental that the sound repertoire of babbling babies, compared with the speech sounds in a diversity of languages across the world, lends credence to the idea that there was a mother tongue that goes back to prehistoric times. Readers of the Bible will recall that it was after the fall […]

Building Blocks of Talk

When babies babble, they may say a lot about speech.

19154

The initial conclusions of the study of Romanian children raised in orphanages and adopted in Britain would seem to this adoptive parent to be prematurely optimistic.