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How dopamine drives brain activity

A specialized MRI sensor reveals the neurotransmitter's influence on neural activity throughout the brain.

Researchers achieve remote control of hormone release

Using magnetic nanoparticles, scientists stimulate the adrenal gland in rodents to control release of hormones linked to stress.

Nanosensor can alert a smartphone when plants are stressed

Carbon nanotubes embedded in leaves detect chemical signals that are produced when a plant is damaged.

Neuroscientists find memory cells that help us interpret new situations

Neurons that store abstract representations of past experiences are activated when a new, similar event takes place.

“Living drug factories” might treat diabetes and other diseases

Chemical engineers have developed a way to protect transplanted drug-producing cells from immune system rejection.

Artificial intelligence yields new antibiotic

A deep-learning model identifies a powerful new drug that can kill some antibiotic-resistant bacteria.

Study may explain how infections reduce autism symptoms

An immune molecule sometimes produced during infection can influence the social behavior of mice.

Monthly birth control pill could replace daily doses

Long-lasting capsule can remain in the stomach and release contraceptive drugs over several weeks.

Perception of musical pitch varies across cultures

Is the way we hear music biological or cultural?

How expectation influences perception

These prior beliefs help us make sense of what we are perceiving in the present.

Drug makes tumors more susceptible to chemo

One compound could help combat drug resistance.

Bacteria promote lung tumor development, study suggests

Antibiotics or anti-inflammatory drugs may help combat lung cancer.

Engineers create an inhalable form of messenger RNA

Patients with lung disease could find relief by breathing in messenger RNA molecules.

How the brain switches between different sets of rules

When you slow down after exiting the highway, or hush your voice in the library, you’re using this brain mechanism.

Brain activity pattern may be early sign of schizophrenia

In a study that might enable earlier diagnosis, neuroscientists find abnormal brain connections that can predict onset of psychotic episodes.

Probiotics and antibiotics create a killer combination

Delivered together, the two join forces to eradicate drug-resistant bacteria.

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