March 7, 2015 | Science News

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March 7, 2015

Editor's Note

Chronic stress may start in the brain, but new research reveals that its influences on the body roam far and wide.
By Eva Emerson | February 2, 2015
Magazine issue: Vol. 187 No. 5 , March 7, 2015 , p. 2

Features

pill man

Feature

Supplements of vitamins C, E and other antioxidants may blunt the positive effects of exercise training.
person meditating

Feature

Counseling, mindfulness training and purposeful social contact may counteract the effects of chronic stress.
stressed out graphic

Feature

Scientists are shedding light on all the ways that chronic stress can boost inflammation and lead to serious health problems.

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Help us keep you informed.

Editor's Note

Chronic stress may start in the brain, but new research reveals that its influences on the body roam far and wide.

Features

person meditating
Counseling, mindfulness training and purposeful social contact may counteract the effects of chronic stress.
stressed out graphic
Scientists are shedding light on all the ways that chronic stress can boost inflammation and lead to serious health problems.
pill man
Supplements of vitamins C, E and other antioxidants may blunt the positive effects of exercise training.

News

termites on mound
Landscapes dotted by Africa’s great termite mounds look on the verge of turning into desert but are, in fact, more resilient.
Chemical reactions discovered in the 19th century improve the performance of futuristic batteries.
chronic pain protein builds up
Advanced imaging may reveal how well chronic pain treatments work.
California reservoir
Comparing reconstructions of past drought conditions with models of future dryness shows that the Central Plains and Southwest U.S. will become the driest in a millennium.
Large ground finch
A genetic analysis divides Darwin’s finches into more species and uncovers a gene involved in determining beak shape.
Abyssal hills
When sea levels drop during ice ages, magma at mid-ocean ridges surges.
Expanding gas cloud
Rocky debris falling onto a white dwarf might trigger some supernovas.
Nanowire temperature diagram
Aluminum and other materials can serve as their own thermometers at nanometer scales, opening up the possibility of taking the temperature of tiny computer transistors.
climate sunlight
Experts says schemes to manually adjust the world’s climate are not ready for use, but should be studied just in case.
newly hatched chick in front of numbers
Recently hatched chicks may have their own version of the left-to-right mental number line.
neurons in the lateral hypothalamus
In mice, specific nerve cells control compulsive sugar consumption, but not normal feeding, hinting at a new therapeutic target for treating obesity.
An analysis of Facebook activity can identify new moms with postpartum depression.
Smith Cloud
A high-speed hydrogen cloud on a crash course with the Milky Way appears to be an exotic interloper, preliminary data suggest.
Ebola virus
Analysis of Ebola genomes shows how the virus has evolved and some of the mutations that may thwart treatments.
Teenagers are using e-cigarettes more than any other tobacco product and for many, it’s the first time they’ve tried a tobacco product at all.
future gen
The Department of Energy has scrapped funding for FutureGen, a project to use new technology to sequester carbon dioxide emissions from a coal power plant.
Monkeys
Peruvian fossils suggest ancient African primates somehow crossed the Atlantic Ocean and gave rise to South American monkeys.
Tectonic plate diagram
Slippery layer of partially melted rock underneath tectonic plate revealed using reflected dynamite blast vibrations.

Notebook

Exoplanet J1407b
Stretching 90 million kilometers from their center, 37 stripes of dust around exoplanet were probably crafted by moons.
houbara bustard
Among outrageously flirtatious birds called houbara bustards, old males may pay a penalty for years of extreme display.
50 years ago, space simulations focused on survival. Now, quality of life is critical, too.
Disneyland crowd
‘Herd immunity’ to measles may be threatened by low vaccination rates in some parts of the United States.
Facial expressions
A portion of women with eating disorders have a separate problem recognizing their own emotions, a condition called alexithymia.

Reviews & Previews

thermometer
Explore a modern scientist's curiosity cabinet.
Researchers and writers weigh in on theories getting in the way of scientific progress in this collection of essays.
Jan Zalasiewicz and Mark Williams recount the history and predict the future of Earth’s oceans.

Letters to the Editor

Readers discuss the pitfalls of carbon storage, whether a recent movie got Alan Turing's story right and more.

Science Visualized

inverted iceberg in Cierva Cove, Antarctica
A photographer snaps a rare picture of a recently overturned iceberg near Antarctica.