Saturday, June 10, 2023

How Dreams Reveal Brain Disorders

Trouble viewing? View in your browser.
View all Scientific American publications.
    
June 09, 2023

Mental Illness

How Dreams Reveal Brain Disorders

Examining dream content can assist in the diagnosis of psychiatric and neurological illnesses. What does fighting off a lion mean?

By Marie-Neige Cordonnier

Natural Disasters

How Long Will Wildfire Smoke Last, and Where Will It Spread?

Smoke from record-setting wildfires in Canada has blanketed parts of the eastern U.S., but shifting summer weather patterns should bring relief

By Meghan Bartels,Andrea Thompson

Planetary Science

Newfound 'Quasi-Moon' Has Been Earth's Fellow Traveler for Thousands of Years

Astronomers recently identified asteroid 2023 FW13 as a quasi-moon, a space rock orbiting the sun nearly in tandem with Earth

By Kiley Price,LiveScience

Conservation

Colombia's 'Cocaine Hippo' Population Is Even Bigger Than Scientists Thought

The most comprehensive census yet of the hippos in Colombia that are descended from several imported by drug-cartel leader Pablo Escobar reveals that there could be twice as many of the invasive animals as previous estimates indicated

By Luke Taylor,Nature magazine

Astronomy

Why Venus Is So Bright Right Now

Our planetary neighbor Venus becomes a brilliant beacon in the sky each time it reaches its greatest orbital distance from the sun

By Phil Plait

Mental Health

Does Brain Stimulation Boost Memory and Focus? Huge Study Tries to Settle Debate

Analysis of more than 100 studies of non-invasive electrical brain stimulation probes whether the controversial technology works

By Emily Waltz,Nature magazine

Particle Physics

The Weirdest Particles in the Universe

Neutrinos are bizarre and ubiquitous and may just break the rules of physics

By Clara Moskowitz

Mathematics

Gift Wrapping Five Oranges Has Outwitted the Best Minds in Mathematics for Generations

Perfectly wrapping spherical objects together seems trivial, but it's a task that has stumped mathematicians for centuries

By Manon Bischoff

Pollution

How to Use the Air Quality Index

Wildfire smoke from Canada is causing poor air quality along the East Coast. Here's what those air quality alerts mean

By Stephanie Pappas

Animals

Octopuses Redesign Their Own Brains When They Get Chilly

Hyperintelligent octopuses just got weirder, when scientists found they can recode their brains when temperatures change

By Rachel Nuwer

Anthropology

This Small-Brained Human Species May Have Buried Its Dead, Controlled Fire and Made Art

Extraordinary claims about the small-brained human relative Homo naledi challenge prevailing view of cognitive evolution

By Kate Wong

Mathematics

Pioneering Advanced Math from Behind Bars

Math research gives meaning to years spent in prison 

By Amory Tillinghast-Raby
BRING SCIENCE HOME
Sunset Colors in a Glass

Why is the sky blue during the day--but can be a beautiful rainbow of colors at sunset? Grab a flashlight and get ready to make your own sunset to find out!  Credit: George Retseck

Have you ever watched a sunset and wondered why the sky suddenly changes from blue to orange and red? Even during the day the sky can have multiple colors ranging from bright blue to gray or white. Where do these colors come from? In this activity you will find out—and simulate your own sunset in a glass! Ready to watch the sun go down?

Try This Experiment
LATEST ISSUES

Questions?   Comments?

Send Us Your Feedback
Download the Scientific American App
Download on the App Store
Download on Google Play

To view this email as a web page, go here.

You received this email because you opted-in to receive email from Scientific American.

To ensure delivery please add newsletters@scientificamerican.com to your address book.

Unsubscribe     Manage Email Preferences     Privacy Policy     Contact Us

Scientific American

1 New York Plaza, FDR Dr, Floor 46, New york, NY 10004

Unsubscribe - Unsubscribe Preferences

Scientist Pankaj

Today in Science: What if we never find dark matter?

...