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Health & Medicine

Calcium clue

Excess calcium in the blood might signal an increased risk of fatal prostate cancer, a new study finds.

Physics

Electrons as math whizzes

A new paper suggests the possibility that the behavior of electrons in quantum systems could verify Riemann’s famous conjecture about prime numbers.

Life

Gene linked to commitment-phobia

A common gene variation in men is linked to marital crises and less bonding in a study of more than 500 long-term couples.

Health & Medicine

Older, not better

Having an older father might increase a person’s risk of developing bipolar disorder, a large population survey finds.

Space

Cosmic heavyweight

Astronomers discover the heftiest, most distant galaxy cluster, suggesting evidence for dark energy’s existence.

Neuroscience

New insights on new neurons

Neurogenesis works differently in two parts of the brain. New neurons are necessary for making memories and keep the olfactory bulb’s structure but aren’t needed for smelling, study in mice shows.

Math

Founder of the Secret Society of Mathematicians

Henri Cartan, one of the leaders of a revolution in mathematics, dies at 104.

Humans

Honey of a discovery

Investigators have discovered the remains of 3,000-year-old beehives in Israel, offering a glimpse of the oldest known beekeeping operation.