We may finally know what kick-starts muscle contractions in childbirth

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An influx of immune cells into the uterus may be what initiates childbirth.These grab on to muscle cells via tiny tubes and send across mitochondria to provide energy for contractions…

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Barbara Keating died in the 9/11 attack. She's finally being laid to rest

Barbara Keating died aboard one of the planes that hijackers slammed into the World Trade Center. Her remains were finally identified last year, and her family is gathering for a long-delayed funeral.

Brief by WorldPing · Original reporting by NPR Top