• The physics of the spiral pass have long been a mystery. Not anymore

  The physics of the spiral pass have baffled physicists and football fans for decades.

  • Regina G. Barber

• The seismometers at the end of the earth have names

  Scientists have placed two seismometers 8000 feet below the ice cap at the South Pole to measure earthquakes and support tsunami alerts.

  • Emily Kwong
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  What we know about the massive sewage leak in the Potomac River

  A collapsed sewer line, about 8 miles from the White House, pumped 368 Olympic-sized swimming pools worth of wastewater into the Potomac. Repairs could take longer than previously expected.

  • Andrew Limbong

• Can't solve a puzzle? Sleep on it, a new study suggests

  NPR's Short Wave talks about babies' perceptions of rhythm, how sleep may help us solve puzzles and why snakes may be able to fast so long.

  • Regina G. Barber
• 

  Measles continues to spread in the US, but with some letup

  As South Carolina's outbreak grows to 876 confirmed cases, vaccinations in the state surged in January. Cases have also been reported in two ICE detention facilities.

  • Maria Godoy
• 

  Searching for dinosaur secrets in crocodile bones

  Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives, like crocodiles, suggests that this method may not always work.

  • Ari Daniel

• What does dark matter looks like? Scientists release a map of the clearest picture yet

  Dark matter makes up most of the universe, yet we have very little understanding of it.

• Scientists release a map of the clearest picture yet of what dark matter looks like

  Dark matter makes up most of the universe, yet we have very little understanding of it. Scientists recently released a map that gives the clearest picture yet of what dark matter looks like.

  • Katia Riddle

• The method for estimating a dinosaurs' age at death may be off, research suggests

  A growing body of research on dinosaurs' closest living relatives suggests the method that's been used to estimate how old a dinosaur was when it died may be leading paleontologists astray.

  • Ari Daniel
• 

  The Trump Administration exempts new nuclear reactors from environmental review

  The announcement comes just days after NPR revealed the administration had secretly rewritten safety and environmental standards.

  • Geoff Brumfiel

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