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Brain inflammation linked to depression in multiple sclerosis

Patients with multiple sclerosis have higher rates of depression than the general population, including people with other life-long disabling diseases. Symptoms of multiple sclerosis arise from an abnormal response of the body's immune system. Immune response has also been linked to depression, leading researchers to think it could be a shared pathological mechanism that leads to the increased rates of depressive symptoms in patients with multiple sclerosis.

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Children who watch lots of TV may have poor bone health later in life

Consistently watching high levels of television during childhood and adolescence were linked with lower peak bone mass at age 20 years in a recent study. Hours of television watching per week were recorded by parental or self-report at 5, 8, 10, 14, 17 and 20 years of age in 1181 participants. Those who consistently watched ?14 hours/week of television had lower bone mineral content than those who watched less television, even after adjusting for height, body mass, physical activity, calcium intake, vitamin D levels, alcohol, and smoking (all at age 20).

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The secret to an Oesia life: Prehistoric worm built tube-like 'houses' on sea floor

The fossilised remnants of tube-like 'dwellings' which housed a primitive type of prehistoric sea worm on the ocean floor have been identified in a new study. According to researchers, the long, perforated tubes may have looked like narrow chimneys reaching up from the sea bed, and were made by a creature called Oesia, which lived a solitary existence inside them about 500 million years ago.

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Accelerating research into dark energy

A quick method for making accurate, virtual universes to help understand the effects of dark matter and dark energy has been developed by scientists. Making up 95 percent of our universe, these substances have profound effects on the birth and lives of galaxies and stars and yet almost nothing is known about their physical nature.

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Astronomers find evidence for ‘direct collapse’ black hole

Astronomers have discovered evidence for an unusual kind of black hole born extremely early in the universe. They showed that a recently discovered unusual source of intense radiation is likely powered by a "direct-collapse black hole," a type of object predicted by theorists more than a decade ago.

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Earth-size telescope tracks the aftermath of a star being swallowed by a supermassive black hole

Radio astronomers have used a radio telescope network the size of the Earth to zoom in on a unique phenomenon in a distant galaxy: a jet activated by a star being consumed by a supermassive black hole. The record-sharp observations reveal a compact and surprisingly slowly moving source of radio waves.

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Benefits from freeze-all embryo strategy in older IVF patients1

Conventional IVF protocols involve the transfer of a fresh embryo to the uterus during the same cycle in which the eggs were collected and freezing extra embryos for future use. A novel approach to improving IVF outcomes has recently emerged in which all embryos generated from an egg collection cycle are electively frozen and transferred in a subsequent cycle.

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Small molecule keeps new adult neurons from straying, may be tied to schizophrenia1

The microRNA miR-19 helps budding adult brain cells stay on track, new research indicates. The findings pave the way toward a better understanding of how the adult brain controls the growth of new neurons and how it can go wrong.

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