What if we could estimate a shark’s age from a small blood sample rather than counting growth rings in its vertebrae? New ...

They are tiny, termite-like insects that spend much of their lives hidden beneath bark or inside decaying wood. Yet angel ...

Can DNA traces in just two liters (0.5 gallons) of water reveal how a river's biodiversity changes over the course of a year?

The oceans buffer against climate change via biogeochemical cycles underpinned by microbial metabolic activities. While planetary-scale surveys provide baseline microbiome data, inferring metabolic ...

A patent-pending method developed and tested for multiple applications at Purdue University eliminates sample preparation, a ...

This important study identifies and characterizes a set of amino acid states that can rescue protein function in the presence of substantially deleterious mutations. Some of these super-compensatory ...

Teaching methods are the broader techniques used to help students achieve learning outcomes, while activities are the different ways of implementing these methods. Teaching methods help students: ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

This Perspective examines the role of AI-based image analysis when applied to stem cell-derived models. We developed an optogenetic tool based on tetanus neurotoxin — a protease that cleaves the ...

Wildlife populations serve as primary reservoirs for many emerging and endemic infectious agents, yet surveillance of pathogens in natural systems remains ...

Ants make up one of the most diverse groups of animals on the planet, with many species boasting remarkable physical abilities and social behaviors, and an overall species richness that far exceeds ...

Primary aldosteronism (PA), an adrenal disorder characterized by autonomous aldosterone excess, is the most common cause of ...