Science online

Oregon geologist says Curiosity's images show Earth-like soils on Mars

Soil deep in a crater dating to some 3.7 billion years ago contains evidence that Mars was once much warmer and wetter, says University of Oregon geologist Gregory Retallack, based on images and data captured by the rover Curiosity. NASA rovers have shown Martian landscapes littered with loose rocks from impacts or layered by catastrophic floods, [...] Read more

What makes tattoos permanent?

The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That’s some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do these markings last? Claudia Aguirre details the different methods, machines and macrophages (you’ll see) that go into making tattoos stand the test of time. Source: ed.ted. com

Science Of Persuasion

Animation describing the Universal Principles of Persuasion based on the research of Dr. Robert Cialdini, Professor Emeritus of Psychology and Marketing, Arizona State University. Source: youtube. com

Transplanting Gene into Injured Hearts Creates Biological Pacemakers

Cardiologists at the Cedars-Sinai Heart Institute have developed a minimally invasive gene transplant procedure that changes unspecialized heart cells into “biological pacemaker” cells that keep the heart steadily beating. The laboratory animal research, published online and in today’s print edition of the peer-reviewed journal Science [...] Read more

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