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Phys.org / Scientists solve mystery of a fish called Mary's 'virgin' birth

A female stickleback fish, nick-named 'Mary', has produced offspring from eggs that appear to have been fertilised while they were still inside her, according to scientists at the University of Nottingham.

1 hour ago in Biology
Phys.org / Researchers peer inside the mind of the worm for clues on how memories form

Try as you might, some events cannot be remembered. Known in psychology as memory blocking, the phenomenon has remained elusive since first described more than half a century ago. Now Donnelly Centre researchers have found ...

1 hour ago in Biology
Phys.org / Samsung bends over backwards to rev smartphone desire

Samsung on Wednesday is expected to unveil new flagship smartphones including one with a screen that can fold closed like a book as it seeks to boost the moribund market.

3 hours ago in Technology
Tech Xplore / Amazon's 'collaborative' robots offer peek into the future

Hundreds of orange robots zoom and whiz back and forth like miniature bumper cars—but instead of colliding, they're following a carefully plotted path to transport thousands of items ordered from online giant Amazon.

3 hours ago in Robotics
Medical Xpress / T-cell receptor diversity may be key to treatment of follicular lymphoma, study finds

Healthy white blood cells, called "T-cells," play a crucial role in how the body fights follicular lymphoma. That's according to the results of a study led by Mayo Clinic hematologists Zhi Zhang Yang, M.D., and Stephen Ansell, ...

3 hours ago in Cancer
Medical Xpress / Fluorescing urine signals organ transplant rejection, could replace needle biopsies

Too often, it's only after a transplanted organ has sustained serious damage that a biopsy reveals the organ is in rejection. A new screening method using sensor particles and a urine test could catch rejection much earlier, ...

3 hours ago in Surgery
Medical Xpress / Exercise in morning or afternoon to shift your body clock forward

Exercise can shift the human body clock, with the direction and amount of this effect depending on the time of day or night in which people exercise. That's according to new research in published in The Journal of Physiology. ...

3 hours ago in Health
Medical Xpress / Young children may see nationality as biological, new study suggests

Young children see national identity, in part, as biological in nature, a perception that diminishes as they get older, finds a new study by psychology researchers. But despite changes in views of nationality as we age, the ...

3 hours ago in Psychology & Psychiatry
Medical Xpress / American women have better control of high blood pressure but are more obese than men

"The good news is that, since the Millennium, there have been reductions in blood pressure and cholesterol levels and in rates of smoking across adults in the United States. However, these rates leave much room for improvement, ...

3 hours ago in Cardiology
Tech Xplore / Fibers from old tires can improve fire resistance of concrete

A new way of protecting concrete from fire damage using materials recycled from old tyres has been successfully tested by researchers at the University of Sheffield.

3 hours ago in Engineering
Phys.org / Darwin's finches don't tell the whole story of avian evolution

The connection between bird diet and skull shape is surprisingly weak for most species according to a new study led by UCL and the Natural History Museum, rewriting our understanding of how ecosystems influence evolution.

11 hours ago in Biology
Phys.org / New imaging technology captures movement of quantum particles with unprecedented resolution

Excitons—electrically neutral quasiparticles—have extraordinary properties. They exist only in semiconducting and insulating materials and can be easily accessed in two-dimensional (2D) materials just a few atoms thick, ...

19 hours ago in Physics