Mapping human emotions

When you’re angry, your face, head, and arms grow hot When you’re depressed, a cold numbness grips your head and arms. Love triggers a warm glow throughout your upper body, especially around your heart. Human emotions, a new study has found, are directly linked to sensations in specific body parts, and the map is largely the same across different cultures. […]

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The vital job of ‘junk’ DNA

Since the late 1990s, when they began decoding the human genome, scientists have believed that 98 percent of DNA is “junk,” with no function. But new research shows that most of this genetic material serves as switches that turn genes on or off, which could explain why some people predisposed to certain diseases get them, while others don’t. Our genome […]

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