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Retinas in awake mice respond more quickly and strongly than isolated tissue samples, highlighting the importance of studying them in live animals.

Certain types of cancers may be linked with an increased risk of developing a second cancer in another tissue.

Why do some mutations that affect the mitochondria lead to nerve damage while others lead to heart muscle disease?

Monitoring the genetic changes of all pathogen populations present in an infected individual, not just the most dominant one, enables more sensitive tracking of disease transmission.

Variants of the APOL1 gene that are commonly found in individuals with African ancestry are not directly associated with an increased susceptibility to sepsis.

A small, short-lived fish sheds new light on how pituitary gland hormones can be easily manipulated to control growth and reproduction in vertebrates.

A new model allows a better analysis of phase coherence for small samples with fewer false positives.

Experiments on rabbits suggest that a gene called DMRT1 may have key roles in the development of the testes as well as on female infertility.