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Magazine
In the Feb. 16 SN: Robots roll into the classroom, brain zaps for severe depression, particle colliders of the future, how to walk like a tetrapod, sleepless nights boost Alzheimer's proteins and more.
November 24, 2018View Digital Issue
Editor's Note
Editor in Chief Nancy Shute discusses drinking water quality in the United States and the latest research on water treatment technology.
Magazine issue: Vol.
194, No. 10
,
November 24, 2018
, p. 2
Features
Feature
Drinking water quality has come a long way in the past hundred years — but challenges remain.
Feature
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
Call to Action
Features
Drinking water quality has come a long way in the past hundred years — but challenges remain.
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
News
There’s more evidence that with targeted spinal cord stimulation, paralyzed people can move voluntarily — and even walk.
After just a week of not using pot, teens’ and young adults’ abilities to remember lists of words got better, a small study finds.
Removal of the appendix reduced the risk of developing Parkinson’s disease, an analysis of nearly 1.7 million health records in Sweden suggests.
The Milky Way swallowed another galaxy billions of years ago, and the leftover stars are still roaming the sky.
When shifting from one crystalline structure to another, the atoms inside vanadium dioxide bumble around a lot more than expected.
Cockroaches kick attacking emerald jewel wasps to avoid being incapacitated and buried alive as living meat for the wasps’ young.
Ancient Americans’ spearpoints may have heralded later Clovis weapons.
Speedy molecular identification originally developed for proteins might benefit crime lab researchers and drugmakers.
Artifacts with traces of cacao push back the known date for when the plant was first domesticated by 1,500 years.
The next two Chinese missions to the moon will visit places no spacecraft has been before. The rest of the world wants a piece of the lunar action.
After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.
A once-green Arabia may have enabled Stone Age entries by Homo groups.
Cannabinoids found in liverwort plants could spell relief for those suffering from chronic pain.
In testing, a triple-drug therapy significantly improved lung function in cystic fibrosis patients with the most common disease-causing mutation.
Gas clumps cozy up to the Milky Way’s enormous black hole, new observations reveal.
Skin cells make protective melanin on a 48-hour cycle.
A powerful fast-pulsing laser can bust through clouds to make quantum communication via satellite easier.
Notebook
An analysis of portraits believed to portray Leonardo da Vinci offers evidence that the artist had exotropia, in which one eye turns outward.
Scientists studying salmon in Alaska flung dead fish into the forest. After 20 years, the nutrients from those carcasses sped up tree growth.
The United States has wiped out screwworm flies repeatedly since 1966 using the sterile male eradication technique.
As they eat insects, one nematode species releases chemicals that attract more insect prey.
Reviews & Previews
Subatomic is the latest game from John Coveyou, whose company Genius Games wants people to find the joy in science.
Letters to the Editor
Readers expressed their thoughts about the SN 10 scientists, Saturn's hexagons and Jocelyn Bell Burnell.
Science Visualized
Researchers have deciphered the physics underlying dandelion flight.
Editor's Note
Editor in Chief Nancy Shute discusses drinking water quality in the United States and the latest research on water treatment technology.