A male and female Chiriqui harlequin frog (<em>Atelopus chiriquiensis</em>) photographed in 2010. The species was declared extinct in 2019.
| 10 min read
Getting it wrong can harm the very creatures that scientists are trying to protect.

conservation

Timeline summarizing a series of petitions filed about the Chinook salmon

Timeline: An Extended Battle

A fossilized mammoth tusk sitting in a grassy field during sunset&nbsp;

Woolly Mammoth Genomes Reveal Genetic Adaptations to Cold

Fernanda, a Fernandina giant tortoise (<em>Chelonoidis phantasticus</em>), was identified in 2019, decades after her species supposedly went extinct.

When an Extinct Species Is Found Alive, What Happens Next?

Brightly colored birds resting on a tree

Book Excerpt from The Creative Lives of Animals

Photo of a long-tailed macaque (Macaca fascicularis) sitting on a rock overlooking a large body of water.

What Happens to Science When Model Organisms Become Endangered?

Organic food - flat design style colorful illustration. A composition with male, female characters, family, a big plate of vegetables, vegetarian salad, carrot, pepper, greens. Healthy lifestyle

Opinion: Eating Right to Avoid Catastrophe

A white deer mouse on sand surrounded by plants

Are We In the Midst of a Silent Mass Extinction?

Chinook salmon swimming in the water

Probable Chlorine Exposure Kills 21,000 Fish at UC Davis

Oysters&rsquo; shells were made into concrete and other materials used in construction during the Industrial Revolution.

Scientists Use Sound to Attract Baby Oysters Back to the Reef

Cougar leaving the mine entrance

A World of Wildlife in Abandoned Mines

Giant manta ray swimming

Science Snapshot: Giant Manta Ray Sanctuary

Image of a juvenile vaquita

Science Snapshot: Down but Not Out

Gasteranthus extinctus, a plant with bright orange flowers and deep green leaves

Science Snapshot: Not “Extinctus” After All

Photo of lab-grown chicken from Eat Just, Inc.

Cultured Meat Advances Toward the Market

Vector drawing of a tropical rainforest with diverse trees

More Than 9,000 Tree Species Await Scientific Description

Photo of a long-tongued fly

Researchers Identify Novel Long-Tongued Fly Species

Cover of Endangered Maize by Helen Anne Curry

Book Excerpt from Endangered Maize

Cover of Endangered Maize by Helen Anne Curry

Opinion: Going Beyond Seed Banks

Thomas Lovejoy wearing glasses and smiling at camera

“Godfather of Biodiversity” Thomas Lovejoy Dies at 80

man in suit

Paleoanthropologist Richard Leakey Dies at Age 77

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Universe 25 Experiment

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An Anti-Malarial Drug Could Ameliorate PCOS Symptoms

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Sex Determination: It’s in the Genes—Sometimes

Multimedia

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Olink® Reveal: Accessible NGS-based proteomics for every lab

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A researcher’s gloved hand holding a glass weighing boat with a loose powder sample on it

Minimizing to Maximize Measurement Accuracy

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A greyscale image of cells dividing.
March 2025, Issue 1

How Do Embryos Know How Fast to Develop

In mammals, intracellular clocks begin to tick within days of fertilization.

View this Issue
Discover the history, mechanics, and potential of PCR.

Become a PCR Pro

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3D rendered cross section of influenza viruses, showing surface proteins on the outside and single stranded RNA inside the virus

Genetic Insights Break Infectious Pathogen Barriers

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A photo of sample storage boxes in an ultra-low temperature freezer.

Navigating Cold Storage Solutions

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The Immunology of the Brain

The Immunology of the Brain

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Zymo Research Launches the Quick-16S™ Full-Length Library Prep Kit