Uncategorized
- Chemistry
Photography at a Crossroads
Researchers are racing to understand the chemical processes used during the past 2 centuries to make photographs before digital-imaging techniques take over completely.
- Anthropology
Care-Worn Fossils
A nearly toothless fossil jaw found in France has reignited scientific debate over whether the skeletal remains of physically disabled individuals show that our Stone Age ancestors provided life-saving care to the ill and infirm.
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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.
