Cell phone battery inventor says he has a new cell aimed at electric cars that delivers double the energy density of existing lithium-ion, and, in a first, actually achieves an increase in capacity when it's charged and discharged..
A large randomized study published Sunday finds that 70% of women with early-stage invasive breast cancer no longer need chemotherapy, using the results of a commonly used genomic test. This practice-changing finding will spare a lot of unnecessary chemotherapy in patients with breast cancer..
One in every five deaths in young adults is opioid-related in the United States, suggests a new study. The proportion of deaths that are opioid-related has increased by nearly 300% in 15 years..
