Two people have died in Portugal as a result of wildfires this year, according to the Lusa News Agency report. One, a former local official in the eastern city of Guarda, was killed on Aug. 15 while ...

SYDNEY, Aug. 18 (Xinhua) -- Researchers in Australia have identified a key mechanism behind treatment resistance in estrogen receptor-positive (ER+) breast cancer, the most common subtype worldwide.