Articles on Global perspectives

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The universe is home to a dizzying number of stars and planets. But the vast bulk of the universe is thought to be invisible dark matter. Illustris Collaboration

Why do astronomers believe in dark matter?

Why do astronomers believe there's dark matter when it cannot be directly detected? Let's look at the evidence, and see what dark matter's presence means for our universe.
Palm oil development is not just about the economy but also needs to consider social and environmental costs. www.shutterstock.com

The human cost of palm oil development

There are studies showing that farmers can have economic benefits from palm oil. However, they can also be impoverished by the commodity.
There’s little evidence that Twitter is being overrun with partisan bots in the leadup to the Canadian election. Waldemar Brandt/Unsplash

Scant evidence of active Twitter bots as Canadian election kicks off

Claims that tweets on the Canadian election are the work of bot accounts, without empirical evidence or verification, need to be taken with a grain of salt.
The Chandrayaan-2 orbiter is equipped with eight instruments to study the moon, including a lunar terrain mapping camera and a sensor to study the moon’s thin exosphere. Indian Space Research Organisation/AAP

India’s moon mission should be considered a success, and a lesson in spacefaring

Despite a last-minute crash-landing, efforts behind India's moon mission should be applauded. The endeavor has set an example for emerging space programs across the globe.
What people read online could really disrupt society and politics. igorstevanovic/Shutterstock.com

How disinformation could sway the 2020 election

The Russians won’t be alone in spreading disinformation in 2020. Their most likely imitator will be Iran. Also, Instagram could get even more infected with intentional misinformation than it has been.
Green roofs, like this one in Sao Paulo, Brazil, have many benefits. Leonardo Ikeda/Shutterstock

How buildings in Johannesburg could benefit from green roofs

South Africa needs to develop low-cost housing solutions that are inherently comfortable and environmentally sustainable. Green roofs could be part of these solutions.

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