The Conversation

Tropical climates are the most biodiverse on Earth − but it's not only because of how warm and wet they are

Written by Marco Túlio Pacheco Coelho, Postdoctoral research associate, Swiss Federal Institute for Forest, Snow and Landscape Research (WSL)

Natural selection can get to work in isolated locations.Birger Strahl/Unsplash, CC BY

Life exists in every conceivable environment on Earth, from the peaks of towering mountains to the remote stretches of isolated islands, from sunlit surfaces to the darkest depths of the oceans. Yet, this intricate tapestry of existence isn’t spread...

Your microbes live on after you die − a microbiologist explains how your necrobiome recycles your body to nourish new life

Written by Jennifer DeBruyn, Professor of Environmental Microbiology, University of Tennessee

After you die, bacteria harvest your body for the nutrients that help push daisies.Matriyoshka/iStock via Getty Images Plus

Each human body contains a complex community of trillions of microorganisms that are important for your health while you’re alive. These microbial symbionts help you digest food, produce essential vitamins, protect you...

Sea glass, a treasure formed from trash, is on the decline as single-use plastic takes over

Written by Lori Weeden, Teaching Professor of Environmental Earth and Atmospheric Sciences, UMass Lowell

Every piece of sea glass has a story − but sea glass could be on the decline. Olga Pankova/Moment

When you stroll along a beach, you may look down and spot colorful bits of worn glass mixed in with the sand. But the little treasures you’ve found actually began as discarded trash.

As an environmental science professor, I find these gifts...

Juries that don't understand forensic science can send innocent people to prison − a short training video could help

Written by Devon LaBat, Doctoral Candidate in Legal Psychology, Florida International University

Jurors tend to rely heavily on forensic testimony, even when they don't understand it.andresr/E+ via Getty Images

Ledura Watkins was 19 years old when he was accused of murdering a public school teacher. At trial, a forensic expert testified that a single hair found at the scene was similar to Watkins’ and stated his conclusion was based on...

What will this government shutdown shut down? Social Security and Medicaid keep going; SBA loans and some food and safety inspections do not

Written by Laura Blessing, Senior Fellow, Government Affairs Institute at Georgetown University, Georgetown University

A shutdown's effects will be broad and deep.gguy44/ iStock / Getty Images Plus

The U.S. is moving toward a government shutdown. House and Senate appropriators are divided on spending levels, policy riders and additional items, such as support for Ukraine.

As a political scientist who studies the evolving budget process, as well as brinkmanship in...

Hip-hop on trial: When can a rapper's lyrics be used as evidence in a criminal case?

Written by Taifha Natalee Alexander, CRT Forward Project Director, University of California, Los Angeles

Brooklyn rapper 6ix9ine's lyrics were used against him during his criminal trial in 2019.John Parra/Getty Images

When police arrested Nevada rapper Kenjuan McDaniel on a murder charge in August 2023, they cited a music video he posted on YouTube that they say includes details of a 2021 killing that had not been made public.

McDaniel, who uses the...

Why some Indians want to change the country's name to 'Bharat'

Written by Phillip M. Carter, Professor of Linguistics and English, Florida International University

Indian Prime Minister Narendra Modi welcomes delegates to the G20 leaders summit in front of a placard reading 'Bharat,' the Hindi word for 'India.'Dan Kitwood/Getty Images

When India invited delegates attending the G20 summit in September 2023 to dinner with “the President of Bharat,” rather than “the President of India,”...

Loud sounds at movies and concerts can cause hearing loss, but there are ways to protect your ears

Written by Cory Portnuff, Assistant Clinical Professor of Audiology and Clinical Audiologist, University of Colorado Anschutz Medical Campus

Many movies reach sound levels of 85 decibels and beyond.GoodLifeStudio/E+ via Getty Images

Ever go to the movies or a rock concert and been blasted by the sound? You may not realize it while it’s happening, but ongoing exposure to loud sounds at these venues can damage your hearing.

Our ears are highly sensitive to loud noise. Even very short...

Why separating fact from fiction is critical in teaching US slavery

Written by Eric Gable, Professor of Anthropology, University of Mary Washington

A Black actor in 1974 impersonating an enslaved man in Colonial Williamsburg in Virginia.George Bryant/Toronto Star via Getty Images

Of all the debate over teaching U.S. slavery, it is one sentence of Florida’s revised academic standards that has provoked particular ire: “Instruction includes how slaves developed skills which, in some...

What are APIs? A computer scientist explains the data sockets that make digital life possible

Written by Tam Nguyen, Associate Professor of Computer Science, University of Dayton

Under the hood of your digital life, APIs are making connections.Library of Congress

APIs, or application programming interfaces, are the gateways to the digital world. They link a wide array of software applications and systems. APIs facilitate communication between different software systems, and so power everything from social media –...