Uncategorized
- Anthropology
Gene change hints at brain evolution
A genetic mutation found only in humans first appeared around 2.8 million years ago, perhaps setting the stage for brain enlargement in the Homo lineage.
- Tech
Pocket Sockets
Keenly aware of user frustration with the short-lived batteries in cell phones and other portable electronics, researchers are rushing to work out the bugs in tiny fuel-cell power plants that will be as small as batteries—but last a lot longer and be refuelable.
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19112
Your article brought to mind how this affects me. I’m a firefighter, so prone to sleep deprivation. I have noticed that when sleep patterns are repeatedly interrupted by emergency calls, I tend to be more susceptible to illness.
