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From its first appearance, Star Trek has always been hopeful about the relationship between society and technology. Ethan Siegel doesn't lose sight of this in his book, Treknology, says Adam Frank.

The travel website has been under pressure from animal welfare groups to help raise awareness among wildlife tourists about the impact of tourist-animal interaction.

City of San Diego officials said Tuesday a survey that showed municipal employees are generally content in their positions, but aren't thrilled with certain working conditions, could lead to improvements.

A mind-controlled robotic arm has pressure sensors in each fingertip that send signals directly to a paralyzed man's brain. It's still experimental, but could eventually help thousands, engineers say.

Mexican artist Monica Mayer brings her "Clothesline Project" to the National Museum of Women in the Arts in Washington, D.C.

A survey of city employees found they ride public transit to work at a much higher rate than the city as a whole. San Diego needs hundreds of thousands of commuters to switch from cars to biking, walking and riding transit to meet its climate action goals.

He may have thought he was paying the poor a compliment. India's poor, however, do not always have reason to smile.

For the writer and her sister, the family's tendency to talk about food choices in moral terms triggered an unhealthy obsession with eating and a skewed sense of self-worth.

For the writer and her sister, the family's tendency to talk about food choices in moral terms triggered an unhealthy obsession with eating and a skewed sense of self-worth.

Winter — and the ongoing conflict — makes life even more miserable for the millions who've fled. One sign of hope: Interest from the public, says one aid official, is "remarkable."