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For decades, researchers have theorized that optical rectennas could sit on everything from bakery ovens to dirigibles flying high above Earth to harvest waste heat and turn it into electricity. But to date, those goals have remained elusive. Now, engineers have unveiled the most efficient optical rectennas yet.

To get a sense of how bad the 2021 hurricane season will be, keep an eye on the African monsoon, ocean temperatures and a possible late-blooming La Niña. CIRES’s Kristopher Karnauskas shares on The Conversation.

Aggressive deadlines, emails at 4 a.m. and a sense of fearlessness: How do you make sense of the behaviors of some entrepreneurs? Hosts Brad Werner and Jeff York discuss with Associate Professor Greg Fisher of Indiana University.

At night in southern Africa, primates called bushbabies emit "spooky" vocalizations that sound like crying children. What may be even spookier is the possible future these adorable creatures face.

Whether it’s plankton exposed to parasites or people exposed to pathogens, a host’s initial immune response plays an integral role in determining whether infection occurs and to what degree it spreads within a population, new ¶¶Òõ¶ÌÊÓƵ Boulder research suggests.

Scientists' recent discovery with double helical covalent polymers—which are spiraling collections of nature’s building blocks—represent a huge advancement in a critical and understudied field.

A group of 39 researchers from 14 countries say we need to change how we regulate the air we breathe inside buildings, like we do the food we eat and the water we drink, in order to reduce disease transmission and prevent the next pandemic.

In this Q&A, aerospace engineer Hanspeter Schaub says that the odds of people getting hit by debris falling from space are astronomically low. But collisions in orbit around Earth could still pose a threat to satellites and astronauts.

Video evidence can be powerful at a trial––but it does not always lead to a fair rendering of justice. Media studies professor Sandra Ristovska shares on The Conversation.

Stacey Abrams charged the graduates with three calls to action: have ambition, embrace fear and prepare for failure as they prepare for life after graduation.