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Several dust rings are illustrated circling the Sun. In line with these rings' position around the Sun are the planets Mercury, Venus, and Earth.

Space

Weird dust ring orbits the sun alongside Mercury and we don't know why

Very little debris should be able to survive for long in the area near Mercury, but the innermost planet seems to orbit the sun alongside a ring of dust that researchers can’t explain

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Visualisation of the dwarf planet Quaoar

Space

Dwarf planet Quaoar has a weirdly big ring of debris encircling it

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COVID???19 virus destruction on a black background.

Health

We must not lose the interest in immune health that covid-19 spurred

Leader

T-cells and brain cancer cell. Composite coloured scanning electron micrograph (SEM) of T-cells and an apoptotic brain cancer cell. T-cells are a component of the body's immune system. CAR T-cell therapy takes T-cells from a cancer patient's blood and modifies them to recognize a specific protein found on patient's tumor cells. When reintroduced to the patient the T-cells find and destroy the tumour cells. The newest form of CAR T-cell therapy, now in clinical trials, uses 'memory' T-cells which remain in the body after attacking the cancer. The hope is that memory T-cells may provide an active reservoir of cancer-killing cells capable of stopping further tumours. Magnification: x6000 at 10cm wide.

Health

How genetically engineered immune cells are beating some cancers

Features

fresh artichokes at farmers market ; Shutterstock ID 1472137547; purchase_order: -; job: -; client: -; other: -

Health

The food and drink that really can boost your immune system

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Senior women exercising at home

Health

How the immune system changes with age and why

Features

This image may not be used in educational posters ^BCell-mediated immune response,^b computer artwork. This type of immune response is most often used against intracellular pathogens, such as viruses. The viruses (gold) are phagocytosed (engulfed) by macrophage cells (green), a type of white blood cell. Fragments of viral protein (antigen) are displayed on the macrophage's surface. The antigen is recognised by a helper T lymphocyte (purple, centre and right), which secretes chemicals to activate other immune cells, including cytotoxic T lymphocytes (purple, left and bottom). The cytotoxic cells release chemicals that cause the macrophages to disintegrate and die, killing the viruses inside as well.

Health

How to tell if your immune system is weak or strong

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MANILA, PHILIPPINES - AUGUST 19: Commuters are seen wearing face masks and face shields inside a bus on August 19, 2020 in Quezon city, Metro Manila, Philippines. President Rodrigo Duterte relaxed quarantine measures in the Philippine capital in a bid to boost the country's tanking economy despite having the most coronavirus cases in Southeast Asia. The Philippines' health ministry has so far confirmed 173,774 cases of the coronavirus, a third of which were recorded in the last two weeks. (Photo by Ezra Acayan/Getty Images)

Health

The sex differences that impact the strength of your immune system

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New York, New York - March 14, 2020: The movement and travel restrictions instituted in NYC are having significant economic impacts. A sign at a GNC reads

Health

Why do some people appear to have a naturally strong immune system?

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2E1DWA2 Heart love symbol, health, cyber tech romance, ai and cardio concept. Futuristic abstract 3d rendering illustration.

Health

The AI immune system that's changing our understanding of human health

Artificial immune systems are intelligent algorithms based on how the immune system learns and remembers and could transform our ability to protect ourselves from biological – and technological - invaders

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Health

Vagus nerve receptors may be key to controlling inflammation

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Health

Stimulating the vagus nerve may reduce symptoms of multiple sclerosis

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Health

Acid produced by the brain could drive disease-related psychosis

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Health

Vaginal immune activity increases after having sex for the first time

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