Boris Johnson, the frontrunner to be Britain's prime minister, repeated his pledge on Tuesday that he would take the United Kingdom out of the European Union by Oct. 31, saying otherwise the government would face a catastrophic loss in trust.
China and the United States are rekindling trade talks ahead of a meeting next week between Presidents Donald Trump and Xi Jinping, cheering financial markets with hope that an escalating trade war between the two countries would abate.
About 90% of cancer deaths are due to metastases, when tumors spread to other vital organs, and a research group recently realized that it's not individual cells but rather distinct clusters of cancer cells that circulate and metastasize to other organs. As the group reports, they set out to gain a better understanding of these circulating cancer cell c […]
Slow-growing ponderosa pines may have a better chance of surviving longer than fast-growing ones, especially as climate change increases the frequency and intensity of drought, according to new research from the University of Montana.