April 1, 2017 | Science News

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April 1, 2017View Digital Issue

Editor's Note

Acting Editor in Chief Elizabeth Quill discusses the value of observational science.
By Elizabeth Quill | March 3, 2017
Magazine issue: Vol. 191 No. 6 , April 1, 2017 , p. 2

Features

sugars on the outside of a cancer cell

Feature

Tumors have surface sugars that persuade the body’s defenses to look the other way. New therapies are being devised to break the trance.
young adults on smartphones

Feature

We rely on our digital devices to connect with others and for memory and navigation shortcuts. What is that doing to our brains?

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Help us keep you informed.

Editor's Note

Acting Editor in Chief Elizabeth Quill discusses the value of observational science.

Features

young adults on smartphones
We rely on our digital devices to connect with others and for memory and navigation shortcuts. What is that doing to our brains?
sugars on the outside of a cancer cell
Tumors have surface sugars that persuade the body’s defenses to look the other way. New therapies are being devised to break the trance.

News

Saccharomyces cerevisiae yeast
Scientists have created five more synthetic yeast chromosomes.
Neandertal brain
Differing activity of human and Neandertal versions of genes may help explain health risks.
Arizona wheat field
Climate change could aggravate hidden hunger by sapping micronutrients from soils and plants, reducing nutrition in wheat, rice and other crops.
monitoring soil carbon emissions
New measurements suggest soils below 15 centimeters deep could play a sizable role in boosting carbon emissions as the planet warms.
brain links
Six weeks of training turned average people into memory masters, a skill reflected in their brains.
exoplanet illustration
Volcanoes that spew hydrogen could increase the number of potentially habitable planets in the universe.
moriche palm tree
Ancient Amazonians partly or fully domesticated fruit and nut trees that still dominate some forests.
illustration of galaxy dust
The first stardust ever generated in the universe may have been spotted in a distant galaxy, seen as it was 600 million years after the Big Bang.
wild elephants
Among mammals, wild elephants may need the least amount of sleep, new measurements suggest.
hematite
A new claim for the oldest microfossils on Earth suggests that life may have originated in hydrothermal vents, but some scientists have doubts.
wolbachia bacteria
Two genes in Wolbachia bacteria could be used to sterilize mosquitoes that transmit Zika.
testosterone test-tube
For men with low testosterone, the pros and cons of taking hormone replacement therapy are mixed.
Angie
Outranked chimpanzees trigger spread of useful new behaviors among their comrades.
human player versus poker bot
Poker-playing computers beat professional players at heads-up no-limit Texas Hold’em.
Earth's mantle
Earth’s mantle is warmer than previously thought, suggests a new experiment that better accounts for water content in rocks.

Notebook

supermassive black hole
A supermassive black hole about 1.8 billion light-years away has been gorging on the same star for a record-breaking decade.
Geckolepis megalepis before and after shedding scales
A new species of gecko evades predators by shedding its scaly armor.
Euderus set wasp
A wasp that forces oaks to grow a gall gets tricked into digging an escape tunnel for its killers.
psychedelic illustration
Claims that the hallucinogenic drug damaged DNA were quickly rejected. But questions remain about how LSD works.
X-ray of colon tumor
Colorectal cancer rates in the United States have increased in people younger than 50.

Reviews & Previews

River in Egypt
Where the River Flows unites physics and environmental science to explain Earth’s waterways.
Gardens of the Zoological Society of London
In The Zoo, Isobel Charman pens a gripping narrative of the London Zoo’s early days, when workers had a hard time keeping animals alive.

Letters to the Editor

Star-destroying neutrinos, heart-hugging robots and more in reader feedback.

Science Visualized

Anchiornis wing under LSF
Laser-stimulated fluorescence reveals detailed images of soft tissue in a feathered dinosaur from 160 million years ago.