Expert Voices: Op Ed & Insights
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
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.
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.
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.
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.
The Air You're Breathing? A Diatom Made That
By Andrew Alverson last updated
The beauty of diatoms hints at their incredible genetic diversity, but belies their role supplying the oxygen we breathe.
Why Wait for New Food Labels to Curb Childhood Obesity? (Op-Ed)
By Dr. Ihuoma Eneli last updated
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.
Americans' Mental Health is Latest Victim of Changing Climate (Op-Ed)
By Marlene Cimons last updated
Americans facing worsening natural disasters are showing signs of increased mental anguish, say psychologists.
Human-Powered Vehicles Can Drive Meaningful Change (Op-Ed)
By Mark Archibald last updated
How do you get a vehicle to 45 mph using only your body movements for power?
Can Your Beach Vacation Make You Sick? (Op-Ed)
By Peter Lehner last updated
As bacteria hit the beach this summer, people are getting sick.
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