South Africa unveils super radio telescope

South Africa on Friday unveiled a super radio telescope, a first phase of what will be the world's largest telescope in a project to try to unravel the secrets of the universe.

Mind the gap – does age difference in relationships matter?

Romantic couples with a large age gap often raise eyebrows. Studies have found partners with more than a ten-year gap in age experience social disapproval. But when it comes to our own relationships, both men and women prefer ...

How fast fashion hurts environment, workers, society

The overabundance of fast fashion—readily available, inexpensively made clothing—has created an environmental and social justice crisis, claims a new paper from an expert on environmental health at Washington University ...

Restore natural forests to meet global climate goals

International plans to restore forests to combat global warming are flawed and will fall far short of meeting 1.5C climate targets, according to new research by UCL and University of Edinburgh scientists.

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List of sovereign states

This is a list of sovereign states, containing 203 entries, giving an overview of states around the world with information on the status and recognition of their sovereignty. It is arranged alphabetically. It includes both states widely recognized to be de jure sovereign and states that claim de jure sovereignty and exercise de facto control over some territory, but which are not generally recognised.

Note: the status of some entries on this list is disputed. For information on the criteria used to determine the contents of this list, see the "criteria for inclusion" section below.

This text uses material from Wikipedia, licensed under CC BY-SA