The results of a clinical trial published in the journal Appetite show that transcranial direct current stimulation (tDCS) can reduce or increase appetite, depending on the patient's genetic profile.

Say you're a scientist who studies the origins and history of food, and you want to communicate to the world your findings that the all-American hamburger -- including the side of fries -- doesn't contain a single ingredient that originally came from the United States. You could publish an article in a top-notch journal, ask a communications officer to write a press release about the paper, or take to Twitter and tell your hundreds of devoted followers.

A system created in Brazil using cheap, biodegradable materials permits controlled release of larvicide and can be used in small amounts of water.

The Biodiversity Indicators Partnership fficially adopted in July a new indicator to track progress on the conservation of thousands of economically and culturally important plants. Developed by CIAT and the Crop Trust, the indicator helps rate progress toward the Convention on Biological Diversity (CBD), Aichi Biodiversity Target 13, which includes maintaining the genetic diversity of cultivated plants, their wild relatives, and other socioeconomically and culturally valuable flora.

Bats can find motionless insects on leaves in the dark. This was thought to be impossible, because the acoustic camouflage provided by the leaves should confuse their echolocation system. Inga Geipel and colleagues discovered how bats overcome this problem.

A study of individuals over 65 years old showed that all-cause mortality risk increased nearly 63-fold in women with low appendicular muscle mass. The risk of dying increased 11.4-fold in men (patient undergoing DXA body composition and bone density scan.