Sydney on list of global pollution hotpots

Sydney has made it on to a list of global air pollution “hotspots” in a study that uses new satellite data to measure nitrogen dioxide levels in the atmosphere. The Greenpeace East Asia analysis, published on Monday, suggests the Sydney hotspot is ranked 40th globally. The world’s biggest hotspot is Mpumalanga in South Africa which […]

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Bonobos make themselves appear ‘smaller’ than they actually are

Although bonobos and chimpanzees are similar in size, bonobo calls sound an octave higher than chimpanzee calls. Credit: Cédric Girard-Buttoz, LuiKotale, D.R. Kongo Although bonobos and chimpanzees are similar in size, bonobo calls sound an octave higher than chimpanzee calls. Credit: Cédric Girard-Buttoz, LuiKotale, D.R. Kongo Close We can easily see whether someone is large […]

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