Image of the Day: Blood and Guts
Image of the Day: Blood and Guts
Researchers find that stem cells in the human intestine may provide up to 10 percent of circulating blood cells.
Image of the Day: Blood and Guts
Image of the Day: Blood and Guts

Researchers find that stem cells in the human intestine may provide up to 10 percent of circulating blood cells.

Researchers find that stem cells in the human intestine may provide up to 10 percent of circulating blood cells.

cell and molecular biology, ecology, immunology, evolution
Trump Administration Asks to Roll Back Rules Against Water Pollution
Trump Administration Asks to Roll Back Rules Against Water Pollution
Ashley P. Taylor | Dec 12, 2018
Environmental groups are concerned and plan litigation.
Image of the Day: Cellular Destiny
Image of the Day: Cellular Destiny
Carolyn Wilke | Dec 11, 2018
Progenitor cells in the pancreas of humans get developmental cues from proteins in their environment.
Image of the Day: Beetle Fight
Image of the Day: Beetle Fight
Jef Akst | Dec 3, 2018
The exaggerated horns and elongated forelegs of male flower beetles, which use these appendages as weapons in combat for females, do not slow down the insects in a race.
Cheese Helped Fuel Early Farmers in Europe
Cheese Helped Fuel Early Farmers in Europe
Shawna Williams | Dec 1, 2018
Scientists have found traces of the dairy product in 7,200-year-old pottery in Croatia.
Image of the Day: One of These Things
Image of the Day: One of These Things
Kerry Grens | Nov 30, 2018
An image of an adult penguin in a crowd of youngsters wins the top prize of an ecology photography competition.
Found: Missing Link in Whale Evolutionary History
Found: Missing Link in Whale Evolutionary History
Ashley P. Taylor | Nov 29, 2018
A toothless whale fossil without signs of baleen could help explain how the whale filtration system evolved.
Jumping Spiders Produce Milk to Feed Their Young
Jumping Spiders Produce Milk to Feed Their Young
Diana Kwon | Nov 29, 2018
Without access to their mothers’ milk, Toxeus magnus offspring die within the first 10 days of life.
Image of the Day: Gut Feeling
Image of the Day: Gut Feeling
Shawna Williams | Nov 28, 2018
An unusual population of immune cells appears to exist in zebrafish as well as mammals.
Image of the Day: Hair Brush
Image of the Day: Hair Brush
Catherine Offord | Nov 20, 2018
Cats’ tongues are covered in tiny spines called papillae, which help wick moisture from the mouth and onto the fur.