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a round water flea is illustrated in black and white on a striated background
Environmental RNA Reveals Heat Stress in Water Fleas
The eRNA detection method could one day be used to catch early warning signs of distress in wild ecosystems. 
Environmental RNA Reveals Heat Stress in Water Fleas
Environmental RNA Reveals Heat Stress in Water Fleas

The eRNA detection method could one day be used to catch early warning signs of distress in wild ecosystems. 

The eRNA detection method could one day be used to catch early warning signs of distress in wild ecosystems. 

water
Single filament of a bacterium<br><br>
The Naked Eye Can Spy This Enormous Bacterium
Andy Carstens | Jun 24, 2022 | 2 min read
At about 2 centimeters in length, Thiomargarita magnifica tests scientists’ notions of how large microbes can grow.
goldfish in tank
Researchers Train Goldfish to “Drive”
Chloe Tenn | Jan 12, 2022 | 6 min read
The Scientist spoke with cognitive neuroscientist Ronen Segev about how he taught goldfish to maneuver a moveable tank over land toward a visual target.
school of fish
Making Waves and Avoiding Beaks
Chloe Tenn | Dec 23, 2021 | 5 min read
Moving collectively on the water surface could help protect schools of fish from being eaten by predatory birds.
Photograph of a waterfall
Falling Water, Rising Rocks, 1834
Catherine Offord | Oct 1, 2021 | 2 min read
Intrigued by an optical illusion he experienced while traveling in Scotland, Robert Addams wrote what is now considered one of the definitive observational accounts of so-called motion aftereffects.
WITH VIDEO
A micrograph with a grey background shows both purple bacteria and green algae within a ciliated microorganism
A Protist Hosts Both Green Algae and Purple Bacteria Symbionts
Abby Olena, PhD | Jun 11, 2021 | 3 min read
Having two different endosymbionts may allow the ciliate Pseudoblepharisma tenue to live in both oxygen-rich and oxygen-poor zones of the muddy bogs of southern Germany.
Water on the Moon Confirmed
Lisa Winter | Oct 27, 2020 | 2 min read
So far, the bulk of the identified water molecules are too distant from one another to form ice or liquid.
Mars, astronomy, space, extraterrestrial life, extremophile, liquid water, south pole, radio waves, radar, satellite
Discovery of More Ponds on Mars Hints at Possibility of Life
Amanda Heidt | Sep 29, 2020 | 3 min read
The three smaller water bodies join a previously discovered lake buried beneath ice at the red planet’s south pole.
Image of the Day: Bubble Suckers
Amy Schleunes | Feb 28, 2020 | 1 min read
Unable to break through the water’s surface, tadpoles have a unique workaround for breathing air.
Image of the Day: Floating Metal
Emily Makowski | Nov 11, 2019 | 1 min read
Buoyancy techniques used by spiders and ants inspire the development of floating aluminum discs.
Image of the Day: Algal Blooms
Emily Makowski | Oct 23, 2019 | 2 min read
The majority of lakes studied experienced increased bloom intensity over the past few decades.
New Woes for MIT Media Lab
Ashley Yeager | Sep 24, 2019 | 3 min read
Researchers say the Open Agricultural Initiative promoted a high-profile project with misleading claims, and documents show it violated state environmental regulations.
Image of the Day: Flying Fish Robot
Emily Makowski | Sep 18, 2019 | 2 min read
The developers envision their device could be used to collect water samples in hazardous environments.
Trump Administration Overturns Clean Water Regulation
Emily Makowski | Sep 16, 2019 | 2 min read
The repeal will return the US to water standards from 1986.
Loa water frog from 2015
Image of the Day: Last Loa Water Frogs
Nicoletta Lanese | Aug 27, 2019 | 1 min read
Scientists hope to breed the species in captivity because their habitat has nearly disappeared.
Kidd Creek Mine
Microbial Life Discovered 2.4 Km Deep in Canadian Mine
Catherine Offord | Aug 23, 2019 | 4 min read
Scientists cultivate sulfate-reducing microbes from some of the oldest-known water on Earth.
microplastics drinking water
Microplastics in Drinking Water Don’t Threaten Human Health: WHO
Ashley P. Taylor | Aug 22, 2019 | 2 min read
A new report finds no evidence of a current danger from microplastics, but the World Health Organization urges further research.
fluoride fluoridated water in utero exposure pregnancy IQ
Fluoride Exposure During Pregnancy Linked to Lower IQ in Sons
Ashley P. Taylor | Aug 20, 2019 | 2 min read
The authors of the study that found the association say more research is needed on maternal fluoride and child IQ.
Image of the Day: Wet Planet
Carolyn Wilke | Mar 28, 2019 | 1 min read
An analysis of the scars left by long-gone flows reveals that Mars’s rivers may have run even when scientists thought the planet was drying out.
Image of the Day: Nor Any Drop to Drink
Carolyn Wilke | Feb 12, 2019 | 1 min read
Sea snakes wait in thirst for “lenses” of freshwater forming on the surface of the ocean after a heavy rain.
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