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Can we ditch dark energy by better understanding general relativity?
A renewed suggestion that dark energy may not be real — dispensing with 70% of the stuff in the univ...
Modern slavery and tourism: when holidays and human exploitation collide
Holidays are a privilege that many who are fortunate to take them look forward to. They are an oppor...
How to fix Latin America’s homicide problem
In the 1990s, the capital of Colombia’s mountainous Antioquia province Medellin had one of the world...
How we used cameras in the sky to track invasive plant species
Pretty pink, orange and white flowers of the shrub Lantana camaraor wild sage, are common in ornamen...
‘I’m so sorry’: when Indian advertisements turn around sexism
Social marketing in India has become increasingly focused on gender roles, family hierarchy, and tra...
Understanding the amazing complexity of sign language
Most people are familiar with sign language, the system that deaf people use to communicate. What fe...
Mumbai floods: what happens when cities sacrifice ecology for development
As the storm that was hurricane Harvey deluged the areas around Houston, Texas, large parts of north...