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Frequent use of high-strength cannabis may increase the risk of mental health problems, according to a large-scale epidemiological study.

Robots integrated into groups of zebrafish and of one-day-old honey bees allow the two species to influence each other’s behavior.

While sugary beverages seem to be the worst offenders, artificially sweetened drinks might also be associated with health problems, an observational study suggests.

A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.

A study of people’s brainwaves hints at their unconscious ability to perceive the Earth’s magnetic field.

Genetic material from old artifacts can link people to their ancestral communities and potentially help descendants find their roots.

Viruses that infect plants and occasionally insects appear to cause infection with a divide-and-conquer strategy, multiplying separate segments of genetic material in different host cells.

Young science professors, both men and women, say their institutions don’t support them with enough mentoring and resources yet ask them to teach sometimes up to 40 hours a week.

Exposing mice to an hour of 40-hertz stimuli every day for a week reduced levels of amyloid-β plaques and tau protein, and improved cognition.

Rockets can transport humankind to Mars, but only the scientific and medical community can ensure our survival.

Such differences may help explain accidental pregnancies among women on the pill, researchers say.

The publication of the SCIPIO trial is among many by Piero Anversa’s lab that Harvard Medical School flagged for fraudulent data.