Sniffing Women's Tears Makes Men Less Aggressive

For the first time, researchers have used behavioral measures, brain imaging and molecular biology to test how odorless chemicals from human tears affect people
https://www.scientificamerican.com/article/sniffing-womens-tears-makes-men-less-aggressive/
Two Private U.S. Moon Landers Prepare for Historic Launches

The first vehicles to fly under NASA’s new lunar delivery initiative will aim to be the first commercial spacecraft to land softly on another celestial body
Online COVID Wastewater Sites Can Help You Stay Safe during the Holidays

Here’s how to plan COVID-safer holiday get-togethers, using websites that show viral levels in wastewater
How Much Vitamin D Do You Need to Stay Healthy?

Most people naturally have good vitamin D levels. Overhyped claims that the compound helps to fight diseases from cancer to depression aren’t borne out by recent research
https://www.scientificamerican.com/article/how-much-vitamin-d-do-you-need-to-stay-healthy/
How Two Pharmacists Figured Out That Decongestants Don't Work

A loophole in FDA processes means older drugs like the ones in oral decongestants weren’t properly tested. Here’s how we learned the most popular one doesn’t work
AI Beats Humans on Unsolved Math Problem

Large language model does better than human mathematicians trying to solve combinatorics problems inspired by the card game Set
https://www.scientificamerican.com/article/ai-beats-humans-on-unsolved-math-problem/
Eyeless Cave Spiders Can Still 'See' the Light

Some species of cave-dwelling spiders lack eyes but still maintain the ability to sense light, which likely protects them from the arid environments at the sunny mouths of caves
https://www.scientificamerican.com/article/eyeless-cave-spiders-can-still-see-the-light/
How Search Engines Boost Misinformation

Data voids in search results can lead down rabbit holes that bolster belief in fake news
https://www.scientificamerican.com/article/how-search-engines-boost-misinformation/
Scientist Discover How to Convert CO2 into Powder That Can Be Stored for Decades

A team of scientists has figured out how to convert planet-warming carbon dioxide into a harmless powdery fuel that could be converted into clean electricity
As the Climate Crisis Deepens, High-Polluting Nations Must Start Paying Reparations

The wealthy countries that are most responsible for greenhouse gas pollution must compensate the poorer nations that bear the greatest burden
How Winter Affects Our Mood and Behavior

From experiencing seasonal depression to feeling friskier, here are some ways winter affects people's mental health and attitude
https://www.scientificamerican.com/article/how-winter-affects-our-mood-and-behavior/
Breath Of Life: Bridging the Oxygen Gap in Kenya

After COVID devastated Kenya, oxygen prices began to skyrocket, causing people to lose their life. Ruth Wambui, a nurse-entrepreneur, set out to bridge the oxygen gap in the country.
https://www.scientificamerican.com/video/breath-of-life-bridging-the-oxygen-gap-in-kenya/
Asexuality Is Finally Breaking Free from Medical Stigma

New research on asexuality shows why it’s so important for doctors and therapists to distinguish between episodes of low libido and a consistent lack of sexual attraction
https://www.scientificamerican.com/article/asexuality-is-finally-breaking-free-from-medical-stigma/
Black Children Who Speak African American English Are Routinely Misdiagnosed with Speech Disorders

Segregation has given rise to a distinct African American English. Speech professionals must recognize it to avoid misdiagnosing Black children and wasting valuable educational resources
Tech Billionaires Need to Stop Trying to Make the Science Fiction They Grew Up on Real

Today’s Silicon Valley billionaires grew up reading classic American science fiction. Now they’re trying to make it come true, embodying a dangerous political outlook
I Worked in Antarctica for Three Years. My Sexual Harasser Was Never Caught

Hundreds of support staff keep Antarctic research stations running. For decades, workers including me have had little to no protection from sexual harassers and stalkers
Internet Cables Offer an Unusual View of Thawing Permafrost

Fiber-optic cables buried in the seafloor off Alaska are helping scientists study the thawing of underwater permafrost, which could release greenhouse gases
The Real Story Behind 'White Lung Pneumonia'

Separate outbreaks of pneumonia in children have cropped up in the U.S., China and Europe. Public health experts say the uptick in cases is not caused by a novel pathogen
https://www.scientificamerican.com/article/the-real-story-behind-white-lung-pneumonia/
How Dangerous Is Iceland's New Volcanic Eruption?

Lava spewed from volcanic fissures in Iceland as a long-awaited eruption finally began, potentially threatening a power plant and the nearby town of Grindavík
https://www.scientificamerican.com/article/how-dangerous-is-icelands-new-volcanic-eruption/
Technology Is Secretly Stealing Your Time. Here's How to Get It Back

Technology is supposed to save us time, right? Turns out, it’s stealing some of our most precious time, but it’s not too late to get it back