A new study of Deinosuchus or "terror crocodiles," led by Adam Cosette, offers a fuller picture of the ancient creature from head to tail. Cossette said Deinosuchus had large, robust teeth, ranging from six to eight inches long, as shown in the photo.
A family photo shows Buddy and 10-month-old Duke this past winter. The puppy, who tested positive for antibodies but never got sick, has been sleeping in all of Buddy's old spots, his owners say.
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On the left is an unmodified hatchling of a longfin inshore squid (Doryteuthis pealeii). The one on the right was injected with CRISPR-Cas9 targeting a pigmentation gene before the first cell division. It has very few pigmented cells and lighter eyes.
An installation of children's art is set up outside the Capitol on Wednesday. Kids can develop "severe" symptoms from the coronavirus, the Centers for Disease Control and Prevention said in a report released Friday.
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Potential COVID-19 vaccines are kept in a tray at Novavax labs in Maryland on March 20. The Novavax vaccine requires an immune-boosting ingredient called an adjuvant to be effective.
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Virginia Gov. Ralph Northam speaks during a news conference in Richmond, Va. on June 4. Virginia has rolled out a smartphone app to automatically notify people if they might have been exposed to the coronavirus.
Conner Curran, 9, (right) and his brother Will, 7, at their home in Ridgefield, Conn. The gene therapy treatment that stopped the muscle wasting of Conner's muscular dystrophy two years ago took more than 30 years of research to develop.
Kholood Eid for NPR
Scientists in Canada have diagnosed malignant cancer for the first time in a dinosaur, a Centrosaurus apertus from 76 to 77 million years ago.
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Farmers work during a harvest in Jutland, Denmark. People keep worrying about food shortages. Some economists say the fears actually create their own problems.
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