Science recognize "Human Genetic Variation" as the Breakthrough of the Year, and identify nine other of the year's most significant scientific accomplishments.

Learn more about inheritance, variation and evolution in this GCSE podcast from BBC Bitesize.

Concerns about biodiversity tend to focus on the loss of species from ecosystems, but a new study suggests that the loss of variation within species can also have important ecological consequences.

Clinicians’ ability to diagnose and treat chronic diseases is limited by scientific uncertainty around factors contributing ...

But if scientists were to take much greater account of variation it could lead to new ways of understanding biological systems, and perhaps new ways to treat disease.

Clinicians' ability to diagnose and treat chronic diseases is limited by scientific uncertainty around factors contributing ...

One physiological reason is diurnal variation. Diurnal Variation Diurnal variation is the difference in behavior caused by activity during the day and sleeping at night.

A huge project unexpectedly led to a way of finding disease genes without needing to know about diseases.