Science & Society
- Humans
Digging into the Maya mystery
In a Central American jungle, archaeologists and volunteers uncover ruins of the once-powerful civilization.
- Tech
Tracing a gem’s origins
Lasers identify the country — and even a mine — that a precious stone hails from.
- Humans
Mummies share their secrets
Cutting-edge technology such as CT, or CAT, scans and endoscopes are allowing scientists to see not just what’s underneath the wrappings but also what’s inside a mummy’s body.
- Science & Society
Introducing the 2011 Nobel Prize winners
Scientists in 2011 won for making unexpected discoveries about crystals, the human body and the universe.
- Science & Society
Scientist profile: Leroy Hood
The inventor of the DNA sequencing technique, and Albert Lasker Awardee, embarks on the next big challenge.
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- Brain
Action gaming and quick thinking
Playing action games can hone ability to decide quickly, precisely.
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- Planets
Defining planethood
Did Pluto deserve to be demoted from the rank of planet in the solar system?
- Space
Dwarf planet discord
A dwarf planet at the fringes of the solar system finally gets an official name.
- Planets
Pluto and the plutons
A new definition would raise the number of planets in the solar system from 9 to 12.
- Archaeology
Sahara cemetery
Archaeologists uncover the remains of a Stone Age settlement in the Sahara desert.
