University of Texas El Paso

While scientists seem to love giving cocaine to rats, 27 rodents getting high (for the first time) on the lab's supply uncovers intriguing insights into how some individuals appear wired for addiction, where 'averse cues' fail to deter drug use.

Social drinking causes a euphoria that isn’t seen when drinking alone, according to a new study. By identifying the region of the brain stimulated by social drinking, the researchers hope it will lead to a greater understanding of problem drinking.

Caffeic acid, derived from coffee grounds, could help shield the brain from developing diseases such as Alzheimer's and Parkinson's. With six million tons of grounds dumped each year, this could be the most valuable 'upcycling' of the by-product yet.

A team of researchers has created a new device that allows for the steering of light around sharper corners than ever before. The device is tiny, constructed from an inexpensive material, and could one day become an integral part of computer hardware.