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| 10+ min read
New techniques have shown that people reached the New World far earlier than the long-standing estimate of 13,000 years ago, but scientists still debate exactly when humans arrived on the continent—and how.

North America

a large, mossy cedar tree in a forest

Book Excerpt from Finding the Mother Tree

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Skulls from the Yucatán Peninsula a Clue to Early American Settlers

Climate Change Linked to Shrinking Bird Sizes: Study

North America Has 3 Billion Fewer Birds Than it Did in 1970

Saving the Hellbender, a Giant Salamander Under Threat

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Artifacts Found in North America Suggest Humans Came By Sea

Measles Outbreak Worsens in Washington State

Ancient DNA Maps Early American Migrations in New Detail

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Universe 25 Experiment

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q.e.d: An AI Tool for Smarter Manuscript Review

An enveloped virus forms.

Where Do Viruses Come From?

A brown dog stares at a spoon of peanut butter in front of its face with wide eyes.

Why Do Dogs Love Peanut Butter?

Multimedia

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Driving Innovation with Cell Culture Essentials

Merck
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

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December digest cover image of a wooden sculpture comprised of multiple wooden neurons that form a seahorse.
December 2025, Issue 1

Wooden Neurons: An Artistic Vision of the Brain

A neurobiologist, who loves the morphology of cells, turns these shapes into works of art made from wood.

View this Issue
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Merck
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

MilliporeSigma purple logo
Abstract wireframe sphere with colorful dots and connecting lines representing the complex cellular and molecular interactions within the tumor microenvironment.

Exploring the Inflammatory Tumor Microenvironment 

Cellecta logo
An image of a DNA sequencing spectrum with a radial blur filter applied.

A Comprehensive Guide to Next-Generation Sequencing

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Products

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BRANDTECH® Scientific Announces Strategic Partnership with Copia Scientific to Strengthen Sales and Service of the BRAND® Liquid Handling Station (LHS) 

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Enter Our 2026 Top Innovations Contest

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Biotium Expands Tyramide Signal Amplification Portfolio with Brighter and More Stable Dyes for Enhanced Spatial Imaging

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LabVantage Solutions Awarded $22.3 Million U.S Customs and Border Protection Contract to Deliver Next-Generation Forensic LIMS