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Arctic gives clues on worst mass extinction of life

Extreme global warming 252 million years ago caused a severe mass extinction of life on Earth. It took life up to 9 million years to recover. New study finds clues in the Arctic as to why this recovery took so long.

Ocean acidification threatens cod recruitment in the Atlantic

Increasing ocean acidification could double the mortality of newly hatched cod larvae. Researchers quantified mortality rates of cod at conditions which the fish may experience towards the end of the century. They integrated results of two experiments in model calculations on stock dynamics. Show More Summary

Plumbing the secrets of tissue paper

Tissue manufacturers are now much closer to producing the perfect paper, thanks to new research.

Molecular signature shows plants are adapting to increasing atmospheric CO2

Plants are adapting to increasing atmospheric CO2 according to a new study.The research provides insight into the long-term impacts of rising CO2 and the implications for global food security and nature conservation.

New small molecule compounds could treat Ebola virus infection

Scientists have found Ebola's Achilles' heel: a new kind of chemical compound can block the protein Ebola uses to break out of cells and infect new cells. The compounds could potentially be used to treat the disease after infection.

Childhood head injury linked to higher risk of poor adult mental health and life chances

Childhood brain injuries, including concussions, are associated with an increased risk of subsequent mental illness, poor school attainment and premature death, according to a new study.

A brain circuit to push past nutritional stress

Nutritional stress is a normal part of life; going hungry on a short-term basis generally does not impair important functions. The brain coordinates the response to nutritional stress but how it does this was, until now, not well understood. Show More Summary

Discovery could provide new prevention, treatment option for organ transplant rejection

Targeting certain donor cells lowered the risk of organ rejection in mice that underwent kidney and heart transplants. Results of this new study could lead to new ways of preventing or treating organ transplant rejection in humans.

Endangered Cuban solenodon evolved after the extinction of dinosaurs

The Caribbean islands form a natural laboratory for the study of evolution due to their unique biological and geological features. There has been heated discussion since the early 20th century on how species appeared on the islands. The Cuban solenodon is a small, rare, endangered animal, belonging to the mammalian order Eulipotyphla. Show More Summary

Do the tools to quantify addiction help to define it?

Understanding what counts as an addiction, and what can be done to address it is the work of researchers across many disciplines. But what tools are used to ‘measure’ addiction, and are these capable of legitimising an addiction or improving our knowledge of it?

Scientists begin to unravel summer jet stream mystery

Scientists have discovered the cause of the recent run of miserable wet summers as they begin to unravel the mysteries of the Atlantic jet stream.

Bags don't fly free: Charges have boosted airlines' departure performances, study finds

Checked baggage fees have actually improved the departure performance of US airlines in addition to boosting revenue, new research has found.

African bird shows signs of evil stepdad behavior

An African desert-dwelling male bird favors his biological sons and alienates his stepsons, suggests new research. The species is the southern pied babbler, a black and white bird found in Botswana, Namibia, South Africa and Zimbabwe. Show More Summary

Nutrition matters: Stress from migratory beekeeping may be eased by access to food

In the first large-scale and comprehensive study on the impacts of transporting honey bees to pollinate various crops, research shows that travel can adversely affect bee health and lifespan. Some of these negative impacts may be reduced...Show More Summary

Seagrass restoration threatened by fungi

Seagrass seed is killed by waterborne fungi that are related to the well-known potato blight, biologists have discovered. These fungi, which have not previously been found in seawater, hinder seed germination and thus prevent the restoration of seagrass.

Simplify, standardize health insurance plans, advise behavioral economists

Behavioral economists argue that the best way to address the problems caused by health plan complexity is to simplify and standardize the plans, a new report outlines.

Female triathletes at higher risk for pelvic floor disorders

Female triathletes are at a higher risk for several health issues, including pelvic floor disorders, new research indicates. Researchers conducted an internet survey of 311 self-identified female triathletes. Results showed a significant prevalence of pelvic floor disorders, with urinary incontinences (37.4 percent) and anal incontinence (28.0 percent) being the most common.

Standing desks lower BMI, research shows

Standing desks lower the BMI trajectory in elementary-aged children over a two-year span--by an average of 5.24 percentile points, a landmark study has found.

Scientists finally optimize "brain freeze".

As we've discussed before, ice-cream headache (a.k.a. "brain freeze") is a real phenomenon, and scientists are actively studying it. But before they can understand in detail the physiological events surrounding brain freeze, they must first have a robust way of inducing it. Show More Summary

Why Some People React More Emotionally To Life’s Ups and Downs

A proportion of people have greater activation in their brains linked to emotional processing. Get 10% off PsyBlog's motivation ebook -- use code "10OFF"

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