Carlos Botero, assistant professor of biology in Arts & Sciences at Washington University in St. Louis, finds that parasitic birds living in more variable and unpredictable habitats tend to hedge their bets by laying eggs in the nests of a greater variety and number of hosts. The study is published Aug. 21 in Nature Communications.
A global study comparing 2,062 birds finds that, in highly variable environments, birds tend to have either larger or smaller brains relative to their body size. New research from Carlos Botero, assistant professor of biology in Arts & Sciences, finds birds with smaller brains tend to use ecological strategies that are not available to big-brained counterparts.
Researchers at the School of Medicine have peered deep into the eye of the chicken and found a masterpiece of biological design. They plan follow-up studies that could eventually provide helpful insights for scientists seeking to use stem cell and other techniques to treat the nearly 200 genetic disorders that can cause various forms of blindness.