A cross-section of skeletal muscle in this light micrograph shows the individual, parallel muscle fibers (red). These fibers work in concert to power movement. Thomas Deerinck, NCMIR/ScienceSource hide caption

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False-color transmission electron micrograph of a field of whooping cough bacteria, Bordetella pertussis. A. Barry Dowsett/Science Source hide caption

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Writer Jeff Kluger speaking at TEDxAsheville. Courtesy of TED hide caption

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TED Radio Hour

Jeff Kluger: What Makes Siblings Bond?

Writer Jeffrey Kluger explores the profound lifelong bond between brothers and sisters, and the influence of birth order, favoritism and sibling rivalry.

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Psychotherapist Esther Perel says a good and committed relationship draws on the conflicting needs of security and surprise. Courtesy of TED hide caption

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TED Radio Hour

Esther Perel: Are We Asking Too Much Of Our Spouses?

How can couples sustain desire? Psychotherapist Esther Perel argues a good and committed relationship draws on the conflicting needs of security and surprise.

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Anthropologist Helen Fischer explains how our brains behave when we're in love. Andrew Heavens/Courtesy of TED hide caption

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Amy Webb explains how she found love with some help from algorithms. Ryan Lash/Courtesy of TED hide caption

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TED Radio Hour

Amy Webb: Can You Use Algorithms To Find Love?

Amy Webb was having no luck with online dating, so she started treating the world of online dating as data — effectively hacking her way to finding a spouse.

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Dr. Timothy Jay says children are like "little language vacuum cleaners" that pick up whatever they hear. iStockphoto.com hide caption

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Education

'Like Little Language Vacuum Cleaners,' Kids Suck Up Swear Words

Linguist and curse-word expert Timothy Jay says by the time children head to school, they have a well-developed palate of bad words.

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This mouse egg (top) is being injected with genetic material from an adult cell to ultimately create an embryo — and, eventually, embryonic stem cells. The process has been difficult to do with human cells. James King-Holmes/Science Source hide caption

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It's the Sichuan peppercorn in dishes like spicy ma po tofu that makes your mouth buzz. Researchers wanted to know if that buzz is connected to the tingling you feel when your foot falls asleep. iStockphoto hide caption

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