Differences in chromosome number may underlie variation among genetically identical individuals.

Microfluidic device isolates plasma cells from blood rather than bone marrow.

Researchers program RNA nanoparticles that could protect against the virus.

New technique can reveal exposure to aflatoxin, a potent carcinogen, before tumors develop.

New strategy could improve performance of some immune-based drugs.

Computer scientist Regina Barzilay empowers cancer treatment with machine learning.

Expert on long-lived rodents provides insights into research on longevity and cancer resistance.

Portable tool could help scientists learn more about cells’ roles in many diseases.

Biologists link levels of Mena protein to breast cancer cells’ sensitivity to chemotherapy.

Measuring DNA repair capability can reveal tumors’ sensitivity to drugs.