Health

Humans don't hibernate, but we still need more winter sleep

Whether we're night owls or morning larks, our body clocks are set by the sun. Theoretically, changing day length and light exposure over the course of the year could affect the duration and quality of our sleep. But figuring ...

Genetics

Love of nature is partially heritable, study of twins shows

A person's appreciation of nature and their tendency to visit natural spaces are heritable characteristics, according to a large-scale study of UK twins led by Chia-chen Chang at the National University of Singapore, publishing ...

Diseases, Conditions, Syndromes

Anemia may contribute to the spread of dengue fever

Mosquitoes are more likely to acquire the dengue virus when they feed on blood with low levels of iron, researchers report in the 16 September issue of Nature Microbiology. Supplementing people's diets with iron in places ...

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