Oncology & Cancer

Biologists unravel drug-resistance mechanism in tumor cells

About half of all tumors are missing a gene called p53, which helps healthy cells prevent genetic mutations. Many of these tumors develop resistance to chemotherapy drugs that kill cells by damaging their DNA.

Health

Floods render NYC hospitals powerless

(AP)—There are few places in the U.S. where hospitals have put as much thought and money into disaster planning as New York.