Global Health
This is how many people are waiting for an organ transplant in the US
Almost 120,000 people were waiting for an organ in September 2021 in the U.S. But could a successful transplant of a pig's heart to a human be a game-changer?
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Information Technology
These are the most searched for topics on Google UK in 2021
As an annual tradition, Google reveals its biggest trending search queries over the last 12 months.
Mental Health
2020 was a record year for feeling stressed at work
Workers' daily stress reached a record high in 2020, with 43% of respondents experiencing stress, a rise from 38% in 2019, according to a global report.
Plastics and the Environment
These are the world's most dangerous mountains
The main peak of the Annapurna massif is the most dangerous of the world's mountains, with a 29% fatality rate of everyone who tries to climb up it.
United States
Why Americans don't want kids
The majority of US non-parents who say they're not likely to have children, simply don't want to. Medical and financial were the next most common reasons.
Technological Transformation
The Delivery Revolution: Are people ready to embrace drones and robots?
The COVID-19 pandemic has accelerated the use of delivery robots and drones - but are people ready to use high-tech systems to transport their purchases?
Climate Change
The price of solar power has fallen by over 80% since 2010. Here's why
Research from Our World in Data shows that the cost of renewable energy has drastically fallen since 2010.
Migration
国际影响力最强和最弱的护照
根据亨利护照指数（Henley Passport Index），日本与新加坡拥有世界上最强大的护照。
Aviation, Travel and Tourism
These are the world's most and least powerful passports
Japan and Singapore have the world's most powerful passports, according to the Henley Passport Index, allowing them to enter 192 countries without a visa.
SDG 04: Quality Education
世界各地公立学校教师的工作时间
经合组织最新版的《教育概览》报告对该组织所有成员国的教育系统进行了深入了解。该研究的一个有趣的地方是教师实际花在课堂上的时间。平均而言，经合组织国家的教师每年必须在公共学校机构中授课865小时（小学和中学授课时间的平均值），尽管各国之间教师的教学时间有很大差异。
SDG 04: Quality Education
This is how many hours teachers work in public schools around the world
On average, school teachers in OECD countries have to teach 865 hours per year in public institutions, with those in Costa Rica working as many as 1,134.
Climate Change
这些都是最有可能灭绝的物种
根据联合国的一份新报告，四分之一的物种面临着灭绝的威胁。
European Union
欧洲哪些国家的住房最为拥挤？
欧盟统计局（Eurostat）的数据显示，欧盟平均有17.1%的住房过于拥挤。黑山共和国的住房拥挤率最高，为63%。
United States
How 9/11 is still having a fatal impact on New York's firefighters
In July 2019, officials in New York reported that 200 firefighters had died from illnesses related to the terrorist attacks on September 11, 2001.
Biodiversity
These are the species most at risk of going extinct
A quarter of all species are threatened with extinction, according to a new report by the the UN with amphibians, sharks and conifers the most at risk.
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