December 9, 2017 | Science News

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December 9, 2017View Digital Issue

Editor's Note

Acting Editor in Chief Elizabeth Quill wonders what it would be like if scientists could see into the past and the future.
By Elizabeth Quill | November 11, 2017
Magazine issue: Vol. 192 No. 10 , December 9, 2017 , p. 2

Features

ms illsutration

Feature

Facing so many unknowns about multiple sclerosis, researchers explore the immune system, the neurons and the gut to fight the disease.
illustration of life in the Pliocene

Feature

By simulating the changes that occurred during the warm Pliocene epoch, researchers are trying to predict Earth’s future hundreds of years from now.

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SUPPORT SCIENCE NEWS

Science News is a nonprofit.

Help us keep you informed.

Editor's Note

Acting Editor in Chief Elizabeth Quill wonders what it would be like if scientists could see into the past and the future.

Features

illustration of life in the Pliocene
By simulating the changes that occurred during the warm Pliocene epoch, researchers are trying to predict Earth’s future hundreds of years from now.
ms illsutration
Facing so many unknowns about multiple sclerosis, researchers explore the immune system, the neurons and the gut to fight the disease.

News

amyloid-beta buildup in mouse brain
Experiments in mice show Alzheimer’s protein can travel from the blood of an affected mouse to the brain of a healthy animal.
cutaway illustration of Enceladus
Friction in Enceladus’ porous core could help heat its ocean enough to keep it liquid for billions of years.
Bit by qubit, scientists are edging closer to the realm where quantum computers will reign supreme.
brushtail possum
Self-limiting genetic tools already in development may be able to get around concerns surrounding the use of gene drives.
hippocampal nerve cells
An examination of 54 human brains suggests that adults don’t grow new neurons in the hippocampus, contrary to several widely accepted studies.
sperm
Stress may change sperm via packets of RNA in the epididymis, a mouse study suggests.
spiny orb weaver
Three orb-weaving spiders may have the shortest circadian clocks yet discovered among animals.
Pluto's haze
Pluto may be the only place in the solar system whose atmosphere is kept cool by solid hazes, not warmed by gas.
Millennium Bridge
New simulations can better predict when pedestrians cause a bridge to shimmy.
skin
By correcting genes in stem cells and growing new skin in the lab, a new therapy repaired a genetic skin disease.
illustration of a supernova
The weirdest supernova ever has lasted more than three years, and may be the third outburst from the same star.
sheep
Sheep trained to recognize celebrity faces demonstrate that the animals have face-recognition capabilities similar to humans and other primates.
horse leg bone and croc tooth
Reptiles with big bites complicate claims of Stone Age butchery.
New hypertension guidelines broaden the range of those considered to have high blood pressure and emphasize lifestyle changes to combat the condition.
Haiti in 2010
International cholera strains, rather than local ones, have caused raging epidemics, according to research that examined the bacteria’s DNA.

Notebook

galaxy illustration
The most ancient spiral galaxy seen to date is 11 billion years old and could help reveal how galaxies sprout arms.
fan from water strider leg
A fan of tiny, elegant plumes on their legs helps certain water striders dash across flowing water without getting wet.
Alnetoidia alneti
Leafhoppers produce microscopic balls that absorb light rather than reflect it and help camouflage the insects’ eggs.
food
50 years ago, scientists found that a lack of folic acid in pregnant women could cause birth defects. But now, how much is too much?
Cratena peregrina
Nudibranchs’ stolen meals blur classic predator-prey levels.

Reviews & Previews

Hedy Lamarr
‘Bombshell’ tells the story of Hedy Lamarr’s double life as a Hollywood starlet and tech inventor.
Illustration of Henry Hudson meeting Native Americans
The book ‘A Cold Welcome’ examines how the Little Ice Age and other climatic and geographic factors shaped colonial history.

Letters to the Editor

Readers raised questions about using gene editing tools to bring species back from the dead.

Science Visualized

Montipora capitata
Diseased corals fluoresce less than healthy corals, and a new analysis technique can help spot the reduced glow.