Science and technology

Associated Press
David Pomerantz, executive vice president of the Hebrew Home at Riverdale, demonstrates a new app for Alzheimer's caregivers on Feb. 28, 2013, in New York. A variety of online tools are catering to the beleaguered caretakers of Alzheimer's, autism, heart disease and other patients. (AP Photo/Jim Fitzgerald)

View gallery

500 photos

Astronomy, meteorology, environment, archaeology, electronics, computers and gadgets

View Comments (0)