President Joe Biden’s recent approval of a major shift in U.S. nuclear weapons strategy highlights the attention the country’s national security officials are paying...
About one-third of the global population, around 3 billion people, don’t have access to the internet or have poor connections because of infrastructure limitations,...
People change their opinions. As my husband says, “I always reserve the right to get smarter,” paraphrasing Konrad Adenauer, the former chancellor of Germany....
Although wheelchair users, visually impaired people and others with mobility and physical disabilities need consistent exercise, it’s often hard for them to work out....
As humans alter the planet’s climate and ecosystems, scientists are looking to Earth’s history to help predict what may unfold from climate change. To...