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Expert Voices: Op Ed & Insights

expert voices op-ed

LiveScience invites experts in science & technology to provide insightful commentary and informed perspective on news, current events, innovations, big ideas and ongoing research. Expert Voices includes Op-Ed analysis and opinion as well as interesting observations from the field and science labs around the world.

Latest about Expert Voices: Op-Ed & Insights

Artist's evidence-based depiction of the blast, which had the power of 1,000 Hiroshimas.

(Retracted) Space rock that destroyed ancient city may have inspired biblical story of Sodom

By Christopher R. Moore last updated

Archaeologists have evidence of a space rock that obliterated Jericho some 3,600 years ago may have inspired the biblical story of Sodom.

Archaeology
Public Christmas trees, like Rockefeller Center’s famous tree, didn’t start appearing in the U.S. until the 20th century.

How the Christmas tree tradition came to be

By Troy Bickham published

Evergreens have long served as symbols of the perseverance of life during the bleakness of winter, and the promise of the sun’s return.

Human Behavior
Many people use cannabis to manage pain.

Cannabis is no better than a placebo for treating pain, 20 studies show

By Filip Gedin published

Cannabis is one of the most widely used drugs in the world. While there are only a few countries where cannabis is legal for recreational use, many more countries have legalized the use of cannabis for medical reasons.

Marijuana
NASA’s James Webb Space Telescope has produced the deepest and sharpest infrared image of the distant universe to date. Known as Webb’s First Deep Field, this image of galaxy cluster SMACS 0723 is overflowing with detail.

Something is wrong with Einstein's theory of gravity

By Kazuya Koyama, Levon Pogosian published

Albert Einstein’s theory of general relativity has been remarkably successful in describing the gravity of stars and planets, but it doesn’t seem to apply perfectly on all scales.

Gravity
Couples dancing and celebrating the day of the dead

The Day of the Dead isn't Halloween. Here are its roots, from Aztec goddess worship to modern Mexican celebration.

By Kirby Farah published

Day of the Dead might sound like a solemn affair, but Mexico's famous holiday is actually a lively commemoration of the departed.

Human Behavior
Amphora, diatom, air

The Air You're Breathing? A Diatom Made That

By Andrew Alverson last updated

Opinion The beauty of diatoms hints at their incredible genetic diversity, but belies their role supplying the oxygen we breathe.

Opinion
sugar, soda, diet

Why Wait for New Food Labels to Curb Childhood Obesity? (Op-Ed)

By Dr. Ihuoma Eneli last updated

Opinion The FDA's proposed changes to food labels are a step in the right direction, but parents can start encouraging healthy eating habits for their children right now.

Opinion
man, stress, unhappy, depressed, mental health

Americans' Mental Health is Latest Victim of Changing Climate (Op-Ed)

By Marlene Cimons last updated

Opinion Americans facing worsening natural disasters are showing signs of increased mental anguish, say psychologists.

Opinion
a driver competes in the Human-Powered Vehicle Challenge in California.

Human-Powered Vehicles Can Drive Meaningful Change (Op-Ed)

By Mark Archibald last updated

Opinion How do you get a vehicle to 45 mph using only your body movements for power?

Opinion
Las Palmera Beach in San Clemente, Calif.

Can Your Beach Vacation Make You Sick? (Op-Ed)

By Peter Lehner last updated

Opinion As bacteria hit the beach this summer, people are getting sick.

Opinion
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