城市转型
Cities are a key cause of climate change, but they can also be key to solving it
The world's cities are a big driver of planet-warming emissions, but can play a major role in addressing climate change in the near future.
最热内容
自然与生物多样性
California conservationists and farmers unite to protect salmon
In an experiment a decade in the making, biologists are releasing hatchery salmon onto flooded Northern California rice fields, seeking to replenish endangered fish species while simultan...
教育与技能
A 14-year-old has become the first African-American winner of a famous US spelling bee
Zaila Avant-garde, 14, became the first African American to win the 90-year-old Scripps National Spelling Bee on July 8 by correctly spelling 'Murraya,' a genus of plants, staying cool af...
深度产业
Genetic 'scissors' win Nobel Prize in Chemistry in historic first for women
Two scientists won the 2020 Nobel Prize in Chemistry on Wednesday for creating genetic ‘scissors’ that can rewrite the code of life, contributing to new cancer therapies and holding out t...
健康与医疗系统
The US now has more coronavirus cases than any other country in the world
The number of U.S. coronavirus infections have climbed above 82,000, surpassing the national tallies of China and Italy, as New York, New Orleans and other hot spots faced a surge in hosp...
公平、多样性和包容性
Alabama Senate bans nearly all abortions, including rape cases
Alabama’s state Senate passed a bill on Tuesday to outlaw nearly all abortions, creating exceptions only to protect the mother’s health, as part of a multistate effort to have the U.S. Su...
公平、多样性和包容性
You can now pick a gender-neutral X option for birth certificates in New York City
People who were born in New York City and do not identify as male or female can now opt for a third gender category of X on their birth certificates.