How groundwater keeps rivers flowing during drought

Groundwater can keep rivers flowing during drought

Underground water can flow into a river when the river sits below the level of the surrounding groundwater. This can keep the river flowing even during a drought.

Some patients are aware under anesthesia

1–2 in 1,000 people

During general anesthesia, about 1–2 people in every 1,000 have some awareness of the procedure without showing any sign of it. An estimated 22% of people dream under general anesthesia.

Stolen photosynthesis parts can pass along a food chain

The ciliate Mesodinium rubrum takes chloroplasts from the plankton Geminigera cryophila. It can then pass those parts, which let cells photosynthesize, to predatory Dinophysis. The stolen photosynthesis machinery can move from one organism to another along a food chain.

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How groundwater keeps rivers flowing during drought

Groundwater can keep rivers flowing during drought

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