The worst wildfires can send smoke high enough to affect the ozone layer
Pyrocumulonimbus clouds can send soot and other damaging particles 23 kilometers high FIRE CLOUDS Pyrocumulonimbus clouds are created by…
50 years ago, Fermilab turned to bubbles
Excerpt from the August 16, 1969 issue of Science News BUBBLY PAST This futuristic, metal ball was Fermilab’s 4.5-meter…
One in 4 people live in places at high risk of running out of water
17 countries currently use more than 80 percent of their typical yearly water supply PARCHED People line up for…
Mercury levels in fish are rising despite reduced emissions
Climate change and overfishing may be hampering efforts to reduce toxic mercury accumulations in the fish and shellfish that end…
Why people with celiac disease suffer so soon after eating gluten
T cells in those with the autoimmune disorder rapidly dump immune chemicals into the blood TUMMY TROUBLER People with…
Giant, active galaxies from the early universe may have finally been found
The behemoths date to within 2 billion years after the Big Bang KEEN EYES Using the Atacama Large Millimeter/submillimeter…
Readers respond to Lyme disease, fossil teeth and a Tesseract look-alike
Your letters and comments on the June 22, 2019 issue of Science News Lyme light Lyme disease is hard…
Why this warmer world is not just a passing phase
In the late 1990s, three scientists published a paper charting the Earth’s temperatures over the last millennium. For the…
How pieces of live human brain are helping scientists map nerve cells
The golf ball–sized chunk of brain is not cooperating. It’s thicker than usual, and bloodier. One side has a swath…
Racist words and acts, like the El Paso shooting, harm children’s health
Just days before 22 people were killed in El Paso, Texas, allegedly by an anti-immigrant gunman, the American Academy of…