
Ancient Egyptian Chariot Leather Pieces Rediscovered
Forgotten drawers in Egyptian museum yield 'astonishing' leather find.

Ancient Egyptian Chariot Leather Pieces Rediscovered
Forgotten drawers in Egyptian museum yield 'astonishing' leather find.

December 2011 Briefing Memo


Did a Giant Impact Usher in Dinosaurs, Not Just Take Them Out?
Did a giant impact 200 million years ago trigger a mass extinction and pave the way for the dinosaurs?

Ancient Moth Sported a Green Sheen
Analysis of fossilized wing scales suggests insect used bright hues to warn off predators.

U.S. East Coast Tsunami Risk Investigated with Sonar
A sonar mapping cruise taken in June to the Baltimore, Washington and Norfolk Canyons and selected regions of the continental shelf revealed steep escarpments that probably pose no tsunami hazard

Artificial Intelligence Finds Fossil Sites
Palaeontologists use computer neural network and satellite images to work out where to dig.

Tyrannosaurs Were Power-Walkers
Limb analysis suggests dinosaurs moved with short, fast strides.

Mummy Scan Diagnoses 1,900-Year-Old Child
This three-dimensional CT scan has unraveled a number of mysteries surrounding a two-millennia-old mummy—although not the mummy itself.

How Woolly Mammoths Lost the Extinction Lottery
Fossils, climate records and DNA reveal unpredictability of ice-age die-offs.

Chock-Full Church Made Choral Clarity
A doctoral student performed acoustic archaeology to determine how music could have been properly appreciated in a cavernous 16th-century church. Sarah Fecht reports

The Truth about Fracking
Fracturing a deep shale layer one time to release natural gas might pose little risk to drinking-water supplies, but doing so repeatedly could be problematic

Recommended: The Lost Photographs of Captain Scott
Books and recommendations from Scientific American