A colored transmission electron micrograph of a human serous cell’s nucleus, with its nucleolus in purple. The nucleolus functions as the sort of brain of the nucleus, making rRNA, a basic ingredient for making proteins.
Over the past 17 years, the numbers of some bird species in French farming regions have dropped considerably. Meadow pipits have declined by 68 percent.
A robust ghost pipefish in waters off Indonesia. With some species of pipefish, fathers are susceptible to what scientists call the Bruce effect.
There were nine species of the flightless birds called the moa.
Dozens of common merganser ducklings following Mama on Lake Bemidji in Minnesota.
Pit Bull: The Battle Over an American Icon by Bronwen Dickey
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An arctic fox near Helagsfjället mountain in Sweden. Foxes in the area were severely inbred until three males from a Norwegian captive breeding population turned up.
“I am a retired patent attorney,” said Barbara Rae-Venter. “None of this is a planned event.”
Signs of a henge, a man-made enclosure from thousands of years ago thought to serve as a gathering place, were photographed by a camera-enabled drone on Monday.
The marbled crayfish is a mutant species that clones itself, scientists report. The population is exploding in Europe, but the species appears to have originated only about 25 years ago.
A male chimpanzee drinking at a waterhole in Fongoli, a Senegalese savanna. Temperatures at Fongoli can reach 110 degrees Fahrenheit or more.
“Decoding Watson,” a new film about Dr. James D. Watson, explores the gulf between his scientific brilliance and his views on race.
Brine shrimp (Artemia salina) in a laboratory tank prior to experiments studying the effect of their collective vertical migration.
Dr. Mark Willenbring at his Alltyr outpatient clinic for substance abuse in St. Paul.
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