Obama's Weekly Address WEEKLY ADDRESS: Averting a Government Shutdown and Expanding Access to Affordable Healthcare 每周演讲：避免政府关门，扩大可支付医疗保健的使用 Hi, everybody. This Tuesday is an important day for familie
Greetings from the World Health Organization in Geneva. As threats from major infectious diseases like AIDS, tuberculosis and malaria continue to decline, other preventable killers become more visible
So, so far I've talked about rules for insects and for fish and for robots, 那么到目前为止，我谈到了昆虫、鱼群还有机器人的各种行为规则， but what about the rules that apply to our own human collective? 但是那些适用于人类集体的规则呢？ And the las
I send greetings to those observing Kwanzaa. Kwanzaa is the celebration of African culture, community, and family traditions. For more than 40 years, millions of people have come together to reaffirm
