Americans’ oral health has improved over the last two decades, but disparities in oral health have stubbornly persisted and pose a major global public health threat. Oral health care must be more affordable, accessible, and responsive to communities, write National Institute of Dental and Craniofacial Research Director Dr. Rena N. D’Souza, Science Advisor to the President and former National Institutes of Health Director Dr. Francis S. Collins, and U.S. Surgeon General Vivek H. Murthy, in a new perspective published in The New England Journal of Medicine.

By applying an algorithm akin to what Facebook uses to make friend suggestions, researchers have identified communities of ancient life in the fossil record and tracked how their numbers changed through each of the planet’s mass extinctions.

A newly published paper in Physical Review Letters from researchers at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) details a breakthrough discovery in nanomaterials and light-wave interactions that paves the way for development of small, low-energy optical computers capable of advanced computing.