Monday, 2 February 2015
Sunday, 1 February 2015
A Country Vision
On this cold January morning, this prairie farm endures the frozen darkness to be ignited into beauty by the cresting sun. A Country Vision 822914v2. (c) Ian D. McGregor
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Why Do Buildings Fall in Earthquakes?
Earthquakes have always been a terrifying phenomenon, and they’ve become more deadly as our cities have grown — with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake? And how can it be prevented? Vicki V. May explains the physics of why it is not the sturdiest buildings, but the smartest, that will remain standing. Animation by Pew36 Animation Studios.
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Ten Mysterious Undeciphered Codes and Inscriptions
From Neolithic tablets containing the oldest known system of writing, to a series of letters scrawled on the back of a dead man’s book, some of the most legendary undeciphered codes and texts remain a challenge for even the world’s best cryptographers, code breakers, and linguists.
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Skull Fossil Offers New Clues on Human Journey Out of Africa
Anthropologists exploring a cave in Israel have uncovered a rare 55,000-year-old skull fossil that they say has a story to tell of a reverberating transition in human evolution, at a point when and where some early humans were moving out of Africa and apparently interbreeding with Neanderthals.
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How reintroducing wolves helped save a famous park
Wolves were once the top predator in America’s world-famous Yellowstone National Park. But the population was eradicated in the 1920s, leaving the wilderness wolf-free for seven decades. In 1995, however, wolves were reintroduced to Yellowstone; this gave biologists a unique opportunity to study what happens when a top predator returns to an ecosystem.
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Orchidelirium, an Obsession with Orchids, Has Lasted for Centuries
The once-elusive flower's striking beauty has inspired collectors and scientists to make it more accessible.
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