Sunflowers, in visible spectrum on left half (yellow colors) and UV spectrum on right half (purple and white colors).
Sunflowers’ Bee-Attracting Ultraviolet Also Helps Retain Moisture
The dual purposes of the plants’ hidden colors may conflict as the climate warms, authors of a new study suggest.
ABOVE: Marco Todesco
Sunflowers’ Bee-Attracting Ultraviolet Also Helps Retain Moisture
Sunflowers’ Bee-Attracting Ultraviolet Also Helps Retain Moisture

The dual purposes of the plants’ hidden colors may conflict as the climate warms, authors of a new study suggest.

The dual purposes of the plants’ hidden colors may conflict as the climate warms, authors of a new study suggest.

ABOVE: Marco Todesco

genome wide association studies

Colored Genetic Code DNA Molecule Structure stock photo
Genetic Risks for Depression Differ Between Ancestral Groups
Chloe Tenn | Oct 19, 2021
A large genome-wide association study in East Asians uncovers novel genetic links to depression, calling attention to the consequences of underrepresentation of non-European groups in genetic research data.
GWAS, psychotic disorder, mood disorder, Q&A, bipolar disorder, schizophrenia, depression, sex differences
Genetic Variants Tied to Sex Differences in Psychiatric Disorders
Amanda Heidt | Mar 31, 2021
The largest study of its kind identifies single nucleotide polymorphisms with disparate effects on men’s and women’s susceptibility to conditions such as bipolar disorder and schizophrenia.
A New Way to Establish Cause and Effect in Epidemiology?
Rachael Moeller Gorman | Jan 1, 2020
A technique called Mendelian randomization is overturning the conclusions of observational studies in public health. But researchers question whether the method can overcome its fundamental limitations.
a map showing the country of Uganda
Study of Ugandan Genomes Yields Novel Variants, Health Links
Shawna Williams | Oct 31, 2019
The authors say their results demonstrate the global benefits of studying African genetics.