Apple's $499 iPhone XR from 2018 is a budget alternative to Apple's latest lineup, featuring a 6.1-inch LCD, a 12-megapixel single-lens rear camera, and an A12 chip.

The Taliban, a Sunni Islamic fundamentalist and predominantly Pashtun movement, controlled most of Afghanistan from 1996 to 2001. In October 2001, U.S. and allied forces invaded the country and ...

A new study has found some of the clearest evidence yet that animals can judge time. By examining the brain's medial entorhinal cortex, the researchers discovered a previously unknown set of neurons ...

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Masturbation and ejaculation may cause short-term testosterone changes, but research has not shown any long-term drop in testosterone levels. Testosterone rises during masturbation and sex, then ...