The Conversation

NASA’s micro-mission Lunar Trailblazer will make macro-measurements of the lunar surface in 2025

Written by César León Jr., Ph.D. Student of Planetary Geology, Washington University in St. Louis

Lunar Trailblazer is planned to launch in early 2025.Lockheed Martin Space

NASA’s upcoming Artemis II mission is slated to return astronauts to the Moon no sooner than April 2026. Astronauts were last on the Moon in 1972 during the Apollo 17 mission.

Artemis II will utilize NASA’s Space Launch System, which is an extremely powerful...

Transform the daily grind to make life more interesting – a philosopher shares 3 strategies to help you attain the good life

Written by Lorraine Besser, Professor of Philosophy, Middlebury

Approaching your regular day with a new mindset can send you in an interesting direction.d3sign/Moment via Getty Images

Imagine it’s Monday morning, too cold and too dark, but once that alarm goes off, you know you’ve got to rally. The kids have to get to school. You’ve got to get to work. And, of course, your ever-growing to-do...

What if you could rank food by ‘healthiness’ as you shopped? Nutrient profiling systems use algorithms to simplify picking healthy groceries

Written by Christopher Damman, Associate Professor of Gastroenterology, School of Medicine, University of Washington

Certain amounts and types of food processing can diminish the nutritional value of the original ingredients.Deanna Kelly/Moment via Getty Images

Imagine a world where food on grocery store shelves is ranked by its healthiness, with simple, research-backed scores. In some countries, that world already exists.

Nutrient profiling systems, or NPSs,...

5 elections to watch in 2025

Written by Lisandro Claudio, Associate Professor of Southeast Asian Studies, University of California, Berkeley

The coming 12 months can’t promise the bumper crop of elections we saw during 2024, when countries home to about half the world’s population headed to the polls. Still, voters will cast ballots in several important elections throughout the year – and many of the themes persist: the impact of inflation, the rise of the populist...

New Year’s Eve celebrates St. Silvester – the 4th-century pope whose legend shaped ideas of church and state

Written by Cavan W. Concannon, Professor of Religion and Classics, USC Dornsife College of Letters, Arts and Sciences

A mosaic of St. Silvester baptizing Emperor Constantine, from the Basilica Santi Quattro Coronati in Rome.Peter1936F/Wikimedia Commons, CC BY-SA

On Dec. 31, while many people are preparing for their New Years Eve parties, some Roman Catholic Christians will also mark the feast day for St. Silvester.

Little is known for certain about Silvester’...

What are macros? An exercise and nutrition scientist explains

Written by Tyler Garner, Clinical Assistant Professor of Kinesiology, University of Texas at Arlington

Most whole foods contain more than one kind of macro.carlosgaw/E+ via Getty Images

“I’m tracking my macros.”

“I’ll pass on that, it doesn’t fit in my macros.”

“I’m on the Macro Diet.”

Macros seem to come up often in the corners of the internet and social media devoted to people trying to lose...

What does 2025 hold for interest rates, inflation and the American consumer?

Written by D. Brian Blank, Associate Professor of Finance, Mississippi State University

Brian Blank is a finance scholar and Fed watcher who researches how companies navigate downturns and make financial decisions, as well as how markets process information. Brandy Hadley is a finance professor who leads a student-managed investment fund and studies corporate decision-making and incentives. Together, they’re also the resident...

From new commercial Moon landers to asteroid investigations, expect a slate of exciting space missions in 2025

Written by Zhenbo Wang, Associate Professor of Mechanical, Aerospace and Biomedical Engineering, University of Tennessee

A host of space missions are planned to launch in 2025. AP Photo/John Raoux

In 2024, space exploration dazzled the world.

NASA’s Europa Clipper began its journey to study Jupiter’s moon Europa. SpaceX’s Starship achieved its first successful landing, a critical milestone for future deep space missions. China made headlines with...

3 years after the Marshall Fire: Wildfire smoke’s health risks can linger long-term in homes that escape burning

Written by Colleen E. Reid, Associate Professor of Geography, University of Colorado Boulder

The Marshall Fire spared some homes, shown here a day later, but smoke had blanketed the area.Andy Cross/MediaNews Group/The Denver Post via Getty Images

Three years ago, on Dec. 30, 2021, a wind-driven wildfire raced through two communities just outside Boulder, Colorado. In the span of about eight hours, more than 1,000 homes and businesses...

Wildfire smoke’s health risks can linger in homes that escape burning − as Colorado’s Marshall Fire survivors discovered

Written by Colleen E. Reid, Associate Professor of Geography, University of Colorado Boulder

The Marshall Fire spared some homes, shown here a day later, but smoke had blanketed the area.Andy Cross/MediaNews Group/The Denver Post via Getty Images

On Dec. 30, 2021, a wind-driven wildfire raced through two communities just outside Boulder, Colorado. In the span of about eight hours, more than 1,000 homes and businesses burned.

The fire left...