Biology

Human lifespan may have a hard limit: 150 years
These bacteria grow biodegradable “Aquaplastic”
Sperm may play a bigger role in pregnancy than we thought
Old dogs are helping scientists combat human aging
Supercentenarians’ DNA reveals clues to human longevity
"Octopus vision" may help prevent human blindness
New blood test could predict the onset of labor
Customized stem cells could show us how dementia happens
Scientists may have figured out how to fight prion disease
Bacteria nanomachines fire smart missiles that could replace antibiotics