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Two soccer players jump up to head a ball as their teammates watch.

A spitting image of brain health

A spitting image of brain health

A saliva-based test could make it easier to diagnose concussions.
A scanning electron microscope image of a Schistosoma mansoni parasite.

How monkeys revealed a schistosomiasis vaccine secret

How monkeys revealed a schistosomiasis vaccine secret

There is no vaccine against this parasitic worm infection, but rhesus macaques’ unique immune system has brought the prospect of a vaccine closer than ever.
A person experiencing improved mood stands in a natural setting beneath a ketamine molecule.

Uncovering the mysterious antidepressant effects of ketamine

Uncovering the mysterious antidepressant effects of ketamine

Ketamine effectively treats depression, but recent studies illustrate the ongoing difficulties in understanding its antidepressant effects at a molecular level.
Four panels of different fluorescent markers depicting sphingomyelin in a human cell infected with chlamydia.

Watching an infection unfold with a sphingolipid probe

Watching an infection unfold with a sphingolipid probe

Scientists developed an unprecedented chemical tool to visualize sphingomyelin and sphingomyelinase activity during a chlamydia infection.
A microscopy image of the leptomeninges covering the surface of the cerebral cortex.

Breast tumors may mimic neurons to invade the brain

Breast tumors may mimic neurons to invade the brain

Breast cancer cells can pass through the bone marrow to reach the tissues surrounding the brain and spinal cord in mice — a new way for cancer to spread.
A 3D-generated diagram of the anatomy of the abdomen, with the pancreas highlighted in orange and several tumors visible within it in red.

Sensitizing pancreatic cancer to immunotherapy

Sensitizing pancreatic cancer to immunotherapy

A new mouse study suggests that folinic acid treatment could help the immune system penetrate pancreatic cancer’s protective shell.
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