Sam Barnes

9 Flips | 1 Magazine | 1 Follower | @samrdbarnes | Keep up with Sam Barnes on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Sam Barnes”

Grow fresh cartilage from adult stem cells

<b>U. PENNSYLVANIA (US) —</b> Bioengineers are a step closer to growing new cartilage from a patient’s own stem cells.<p>Cartilage injuries are difficult to …

Cell Biology

How To Survive A Mass Extinction

In her new book <i>Scatter, Adapt, and Remember: How Humans Will Survive a Mass Extinction</i> writer Annalee Newitz looks back at Earth's previous mass extinctions to see what lessons might be learned, and how earthlings might prepare themselves to survive a future planet-wide catastrophe.<p>Transcript<p>IRA …

The Week In Numbers: World's Oldest Primate, Big Bang Mystery Solved, And More

<b>55 million years</b>: the age of the sedimentary rock strata in which scientists discovered this skeleton of a <i>Archicebus achilles</i>, the oldest-known primate fossil<p><b>90 days</b>: the record-breaking time in which a Chinese firm plans to build the world's next tallest building, the 2,750-foot, 220-story Sky City<p>…

Are school science practicals a complete waste of time?

"For many children, what goes on in the laboratory contributes little to their understanding of science". This was the damning conclusion of Dr Derek …

New to nature No 105: Austeruseus faroensis

The Faroes, located south-east of Iceland in the north-eastern Atlantic, consisting of 18 small islands and a total land area of less than 1,400 sq …

WIRED Space Photo of the Day 2013 | WIRED

Jan. 19, 2014: Solar X-Flare<p>The largest sunspot group of the solar cycle unleashed a large (X1.2 class) flare just when it was facing right towards …

Canadian accelerator produces a city’s-worth of medical isotopes overnight

The looming problem of a global medical isotope shortage is one step closer to a solution. A Canadian team has developed an upgrade that allows …

Starwatch: Scorpius

The approaching solstice ensures that our June nights are brief and awash with twilight, particularly over northern Britain. Our latitudes also mean …

Supercontinent: how the world is moving together

This year is the 50th anniversary of one of 20th-century science's most important discoveries – the revelation that the land below us is on the move; …