July 21, 2018 | Science News

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July 21, 2018View Digital Issue

Editor's Note

Editor in Chief Nancy Shute discusses the scientific process and the often contradictory research about Alzheimer's disease.
By Nancy Shute | July 7, 2018
Magazine issue: Vol. 194, No. 2 , July 21, 2018 , p. 2

Features

brain cleaning illustration

Feature

Sleep deprivation may speed up development of Alzheimer’s disease.
cgm simulation

Feature

An invisible cloak called the circumgalactic medium controls a galaxy’s life and death.

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SUPPORT SCIENCE NEWS

Science News is a nonprofit.

Help us keep you informed.

Editor's Note

Editor in Chief Nancy Shute discusses the scientific process and the often contradictory research about Alzheimer's disease.

Features

cgm simulation
An invisible cloak called the circumgalactic medium controls a galaxy’s life and death.
brain cleaning illustration
Sleep deprivation may speed up development of Alzheimer’s disease.

News

world map of submarine fiber-optic cables
The seafloor cables that ferry internet traffic across oceans may soon find another use: detecting underwater earthquakes.
general relativity
Scientists have made the most precise test of Einstein’s theory of gravity at great distances.
four cups of coffee
Coffee’s heart-healthy effects rely on boosting cells’ energy production, a study in mice suggests.
Parker probe illustration
The Parker Solar Probe is about to make a historic voyage to touch the sun.
syringe
Long-term use of opioids such as heroin is linked to having more brain cells that release a chemical that regulates wakefulness and arousal.
Zika virus
The closest look yet at Zika virus may reveal some vulnerabilities.
MRI images
A genetically modified poliovirus appears to help fight brain cancer, a small, early-stage clinical study suggests.
rover on Mars surface
The Martian crust had solidified within 20 million years of the solar system’s formation.
mouse embryonic stem cells
Clusters of proteins transiently work together to turn on genes, new microscopy studies of live cells suggest.
mind-control robot
Giving robots instructions via brain waves and hand gestures could help the machines operate more safely and efficiently.
Pillars of Creation
Scientists made a map of the magnetic field within the Pillars of Creation, a star-forming area depicted in an iconic Hubble Space Telescope image.
teens
About 40 percent of high school students are having sex, the lowest amount in the last three decades.
brain scan of cerebral atrophy
Researchers saw higher levels of herpesvirus in the brains of Alzheimer’s patients, which may contribute to plaque formation.
gibbon
Researchers have discovered a new gibbon species in an ancient royal Chinese tomb. It's already extinct.

Notebook

a painted lady butterfly (Vanessa cardui) resting on vegetation
Painted ladies migrate the farthest of any butterfly.
giant hogweed plant
Some plants have compounds that, after exposure to sunlight, produce streaky or spotty burns.
a giant clam
Old boring clam research is upended after 82 years.
IceCube Neutrino Observatory
In the last half-century, neutrino detectors have spotted particles cast out by the sun, supernova 1987A and a supermassive black hole.

Reviews & Previews

a bee on a flower
Thor Hanson, the author of Buzz, explains the vital role bees play in our world.
bottled water pickup site in Flint, Mich.
A new book examines how lead ended up in Flint’s water and resulted in a prolonged public health disaster.

Letters to the Editor

Readers had questions about the pressure inside a proton, wearable tech safety and the effects of global warming on insects.

Science Visualized

before and after daguerreotypes
Chemists used a synchrotron to peek beneath 150 years of grime on damaged daguerreotype images, revealing hidden portraits.