After COVID, could the next big killer be heatwaves?

Searing, unrelenting heat scorches large swathes of the Earth, killing millions who have no means to escape. Shade is useless, and shallow bodies of water are warmer than the blood coursing through people's veins.

One simple question, many unexpected applications

Even the simplest research questions can lead to far-reaching public benefits. Consider Chris Small and Joel Cohen's study of global population by altitude, being honored this week at the Library of Congress.

World population heading up, not down

By the year 2100, the world is set to add another 50 per cent (3.6 billion) to its current population of 7.3 billion, according to United Nations projections.

CO2 makes life difficult for algae

The acidification of the world's oceans could have major consequences for the marine environment. New research shows that coccoliths, which are an important part of the marine environment, dissolve when seawater acidifies.

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