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Studies shine light on mysterious placenta, how it goes awry

WASHINGTON — Scientists carefully probe a placenta donated after birth, bluish umbilical cord still attached. This is the body’s most mysterious organ, and inside lie clues about how it gives life and how it can go awry, leading to stillbirth, preterm birth, even infections like the Zika virus, that somehow sneak past its protective barrier.

Outburst of shooting stars up to 200 mph - meteors per hour

CAPE CANAVERAL, Fla. — The heavens will be bursting with shooting stars this week.

Thursday night into early Friday, the annual Perseid (PUR’-see-ihd) meteor shower is expected to peak with double the normal number of meteors. Scientists call this an outburst, and they say it could reach up to 200 meteors per hour.