Researchers say that 1.5-million-year-old footprints discovered in eastern Africa show that a human ancestor had modern-looking feet and walked much like people do today. (p. 14)

Premenopausal women and women taking oral contraceptives are especially sensitive to the cuteness of babies’ faces, partly thanks to raised levels of reproductive hormones, a new study suggests. (p. 14)

Dating is hell. It’s a tiptoe traipse on a high wire strung across the Grand Canyon. One wrong move and you’re in free fall, tumbling crazily toward a final goodnight. It’s no accident that single adults laugh and commiserate over dating horror stories. Tales of dating bliss just don’t cut it at the watercooler. Dating can also be a monumental chore. All too often, someone who seems cute and funny chatting in line at the coffee shop turns into a date from — well, you know. Enter Rabbi Yaacov Deyo. He is generally credited with inventing speed dating in 1998 to help Jewish singles i... (p. 22)

A three-year study of black teens in rural Georgia finds that involved, supportive parenting powerfully buffers the tendency of some genetically predisposed youngsters to use drugs.