Mali is a country in West Africa. It is mostly known to the rest of the world as the home of Timbuktu, a city that was once an extremely important center for Islamic scholarship and major trading center under several African empires.
This is the Eliodomestico, a beautifully designed distiller that can produce 1.3 gallons of fresh water a day from seawater. The solar-powered unit requires no electricity, filters or maintenance. The brainchild of Gabriele Diamanti, an industrial designer based in Milan, the distiller won its creator a spot on this year’s list of Global Public Interest Design.
On his blog, Diamanti writes that his terra cotta and metal water still is “intended to bring good drinking water to the families in the developing countries at no operating cost, starting from the sea water.”
He expects it to be half the cost of a normal solar still and produce nearly twice as much potable water.
Our newest TEDx science crush — Terrie Williams, the biologist who led an expedition to Antarctica to study seals and named one SHAQUILLE O’SEAL.
Terrie is the head of the Williams Lab at the University of California, Santa Cruz, and a professor of ecology and evolutionary biology. She loves big mammals, a passion that has led her on some wild adventures — sticking her hand into whale guts, comparing wild cheetahs to greyhounds, and strapping video cameras to seals in the Antarctic.
Much of Terrie’s research is about how big mammals do what they do: How do cheetahs sprint? How do Antarctic seals stay warm? How do dolphins dive? Here are some tidbits on Weddell seals, one of her main subjects of research and the cute fellows seen above:
Weddell seals are ice “reamers” — they have specialized teeth that act as ice picks and allow them to make breathing holes in the ice.
Each Weddell seal is equivalent in weight to nine Great Danes or 250 Chihuahuas, at least 850 pounds on average.
Weddell seals are able to dive to 2,000 feet and to stay underwater for more than an hour.
The Central African Republic is a former French colony that gained its independence in 1960. Since then it has been plagued by political instability and misrule, often under military governments. In 2003, François Bozizé took power in a military coup.
“The following studies and projects represent some of the most fascinating examples of “bioprinting,” or using a computer-controlled machine to assemble biological matter using organic inks and super-tough thermoplastics. They range from reconstructing major sections of skull to printing scaffolding upon which stem cells can grow into new bones.”
Phobias may be memories passed down in genes from ancestors
Memories may be passed down through generations in DNA in a process that may be the underlying cause of phobias
Memories can be passed down to later generations through genetic switches that allow offspring to inherit the experience of their ancestors, according to new research that may explain how phobias can develop. Scientists have long assumed that memories and learned experiences built up during a lifetime must be passed on by teaching later generations or through personal experience. However, new research has shown that it is possible for some information to be inherited biologically through chemical changes that occur in DNA. Researchers at the Emory University School of Medicine, in Atlanta, found that mice can pass on learned information about traumatic or stressful experiences – in this case a fear of the smell of cherry blossom – to subsequent generations. The results may help to explain why people suffer from seemingly irrational phobias – it may be based on the inherited experiences of their ancestors. (via Phobias may be memories passed down in genes from ancestors - Telegraph)
Octopus suckers are extraordinary. They can move and grasp objects independently. They can “taste” the water around them. They can even form a seal on rough surfaces underwater. And as a many a diver, biologist and intrepid eater can attest, these little suckers are strong.
This strength is astounding, especially considering that their tissue is similar in softness to jellyfish jelly. But we know little about the stuff these awesome suckers are really made of.