Genes from fungi, bacteria, and viruses may have helped mosses and other plants to colonize the land.
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Brain cells called pericytes can be reprogrammed into neurons with just two proteins, pointing to a novel way to treat neurodegenerative disorders.
Scientists unravel the confusing molecular biology behind a fruit fly’s reliance on a single type of cactus.
Stem cells collected from younger donors are more effective for transplantation and regenerative medicine than those from older individuals.
Evolving the ability to run may also have made our ancestors smarter, suggesting that exercise can be healthy for the brain as well as the body.
Genomic analyses reveal that the polar bear evolved between 4 and 5 million years ago, far earlier than previous studies had estimated.
A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.
The recently hyped amoeba-flagellate Collodictyon has many secrets to tell about early eukaryotic evolution.
The second of the two controversial bird flu papers is published in Science, revealing that just five mutations can render the virus transmissible between ferrets.
Some of the interesting stories researchers were discussing at this year’s American Society of Microbiology meeting in San Francisco.
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