Researchers track tumors as they develop, providing more support for the idea that cells with stem-cell-like properties underlie cancer growth and recurrence.
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Researchers track tumors as they develop, providing more support for the idea that cells with stem-cell-like properties underlie cancer growth and recurrence.
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.
Researchers designed a microfluidics chip to separate cells using gravity and a force field.
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.
A new camera system allows researchers to measure multiple cardiac signals at once to understand how they interact to control heart function.
Engaging the brain with cognitive tasks helps paralyzed rats walk again.
A 30-year-old technique to record the electrical activity of neurons gets a robotic makeover.