Uncategorized
- Physics
Julian Muñoz has a ‘ruler’ that could size up the early universe
The measurement tool could lay out a distance scale for cosmic dawn —and offer clues to the nature of dark matter.
- Animals
Bottlenose dolphin moms use baby talk with their calves
When their babies are near, bottlenose dolphin moms modify their signature whistles, similar to human parents speaking in baby talk.
- Anthropology
Fossil marks suggest hominids butchered one another around 1.45 million years ago
Researchers disagree whether new evidence of stone tool marks on a hominid leg bone reflects ancient cannibalism or perhaps some other, undetected behavior.
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- Astronomy
50 years ago, a search for proof that the Maya tracked comets came up short
The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.
