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

Salmon Wars

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Illustration of a mugshot of Elizabeth Holmes holding a place card with her booking ID&nbsp;

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Ten Minute Sabbatical

Crossword Puzzle

Illustration of a box opening with money inside

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Opinion: A Call for Open Funding Procedures

Opinion

Illustration showing microscopic algae swim through mouse lungs and deliver nanoparticles of an antibiotic attached to their surfaces

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Structure of a Chlamydomonas, green algae

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Drugs Hitch a Ride on Algae for Targeted Delivery

Methods

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Infographic: Algae Robots Transport Antibiotics to Infected Tissues

Infographic

Infographic comparing spring and fall alleles of salmon

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A California Chinook Salmon Jumps into a waterfall during spawning season

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Photo of Ron Reed fishing for salmon at Ishi Pishi Falls with a dip net

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Infographic showing the difference between spring and fall salmon

Timeline summarizing a series of petitions filed about the Chinook salmon

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Fisherman dip netting salmon from the Copper River, Alaska, n.d.

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Geneticists Light Up Debate on Salmon Conservation

Feature

Infographic comparing the fall and spring salmon runs

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Infographic: An Incredible Journey

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Claudia Gerri Studies the Mysteries of the Placenta

Profile

Glass-blown and sculpted model of the sea anemone (Phymactis florida)

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Glass blown and sculpted model of the golden bellapple (Passiflora laurifolia)

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Glass Menagerie, 1863&ndash;1936

Foundations

Glass-blown and sculpted model of the sea anemone (Phymactis florida)

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Sea slugs Ercolania siottii (left) and E. uziellii (right) were made of wax or papier-m&acirc;ch&eacute;.

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Glass-blown and sculpted model of the flowering Pride of Barbados, or peacock flower (Caesalpinia pulcherrima)

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Glass blown and sculpted model of the succulent (Echeveria secunda)

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Glass-blown and sculpted model of the apple (Malus pumila) marked by the telltale blemishes of an apple scab infection caused by the fungus Venturia inaequalis.

Salmon Wars

How should a species’ DNA be used to guide its conservation?