An abstract illustration of a tooth on a bluish background, signifying teeth that are a source of multipotent dental stem cells that can have therapeutic applications in dental diseases and beyond.

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Stem cells in the teeth and gums are multipotent and easily accessible. Scientists are researching ways to harness their power for therapies beyond dentistry.

Dental Stem Cells Regenerate More Than Just Smiles

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus. 

Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.

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What Is the Amniotic Fluid Composed of? 

TS Digest

Time for Divorce

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Ten Minute Sabbatical

Crossword Puzzle

Graph comparing publishing cost and total cost per article

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Opinion: Is Open Access Worth the Cost?

News

Tim Armstrong of Adams State University in Colorado sets up a camera trap at a mine entrance

A mine in the local Sangre de Cristo mountains

Elk investigating a small mine entrance in the Sangre de Cristo mountains

Researchers set up cameras around vertical shaft in the Sangre de Cristo mountain range

Ringtail captured on camera outside of mines in the mountains of Colorado

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A World of Wildlife in Abandoned Mines

Slideshow

Illustration of fish aiming at a bug on a target

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Archerfish in the deep transparent water.

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Photo of a trained archerfish with the target on screen above the tank

Archerfish Defy Notion that Complex Vision Requires a Cortex

Feature

Infographic showing genetic and social monogamy in birds

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Black-browed Albatrosses on the coast of the Falkland Islands

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Infographic showing some examples of species that do form socially  and/or genetically monogamous pairs

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Animal Divorce: When and Why Pairs Break Up

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Infographic: A New Look at Monogamy Across the Animal Kingdom

Infographic

A microscope image of Legionellales bacteria infecting a protozoan

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Ancestral Bacteria May Have Invaded Early Eukaryotic Cells 

An artist's rendering of the ancient arthropod Erratus sperare

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Anatomical Firsts in Early Arthropods 

A black and white photo of a woman holding up a spider in a pair of tweezers

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A black and white photo of a woman looking at a spider through glasses