国际新闻
Why do airport and flight rules exist?
Everyone follows these rules, but few know why. Each one traces back to an incident that changed aviation security.
Al Jazeera – Breaking News, World News and Video from Al Jazeera ·
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国际新闻
EU seeks ways to make expansion more palatable to members
The European Commission has put forward ideas it hopes will both ease the EU expansion process and allay concerns among existing members. Several countries, not least war-torn Ukraine, are among the candidates.
World | Deutsche Welle ·
国际新闻
As Japan’s Population Shrinks, a City Is Accused of Padding Census Numbers
The police are investigating how about 3,000 nonexistent residents were added to official data for Toyama.
NYT > World News ·
科学与环境
Electrons slow to a crawl in a strange new quantum state
Scientists at the University of Chicago have uncovered a surprising quantum state in the layered magnetic material Fe5GeTe2, where huge numbers of electrons move together unusually slowly while remaining quantum coherent. The behavior contradicts existing theoretical predictions
All Top News -- ScienceDaily ·
科学与环境
One tiny chemical difference between RNA and DNA may help explain how life began
Scientists may have found a clue to one of the biggest mysteries surrounding the origin of life: how fragile RNA molecules could gather and survive before cells existed. New research shows that RNA is unusually good at assembling into tiny liquid-like droplets that concentrate mo
All Top News -- ScienceDaily ·
商业与经济
Why Gen Z are planning for life without a state pension
Many younger people do not believe the state pension will exist when they are older
feeds.bbci.co.uk ·