A recent study conducted at the University of Pennsylvania identified key molecules involved in forming long-term memories. Experts discuss how this is the latest in a growing field of research on how our bodies regulate our genes, and how this process affects our memories.
Over the past 27 years, Australia's Great Barrier Reef has lost half of its live coral cover, and a type of starfish is partly to blame for the alarming decline. Mark Eakin, head of NOAA's Coral Reef Watch program, discusses how to save the world's largest coral reef system.
Mapping streets is easy. The trick is pinning down businesses and giving accurate turn-by-turn directions, as many people discovered when Apple launched its apology-worthy Maps app for iOS 6. Rakesh Agrawal, principal analyst for reDesign mobile, talks about how mobile maps are made--and what can be done to improve them.
The horn of the Japanese rhinoceros beetle can grow to be two-thirds the length of the rest of its body. And size matters. The beetles battle with their horns to get access to female beetles. Biologists Doug Emlen and Erin McCullough, of The University of Montana, are looking into what regulates the size of this extra-large attribute.
Scientists in Japan report they have created eggs from stem cells in a mammal for the first time. And the researchers went on to breed healthy offspring from the eggs they created. While the experiments involved mice, the work is being met with excitement — and questions — about doing the same thing for humans someday.
In honor of secret agent James Bond, who made his drink preferences crystal clear on film, we investigate the scientific differences between a shaken and a stirred martini. It turns out, you can tell the difference.
For the first time, scientists have created fertile eggs and healthy offspring using embryonic stem cells. The experiments in mice raise the possibility of artificial egg production and new infertility treatments for humans someday.
Fortified peanut paste saves lives in Haiti and other places where malnutrition is a problem, but producing it locally costs more than importing it from faraway factories in Europe because of labor and other costs. Still, feeding programs are willing to pay a little more, for now.
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