Category Archives: CNN – World

Why do only mammals have tusks? Study traces their surprising origins
K. Angielczyk

Why do only mammals have tusks? Study traces their surprising origins

Tusks are a striking feature of many animals — elephants, hippos, warthogs, walruses — and are often sought-after by humans. But no birds, fish or reptiles today sport this extreme and ever-growing bit of anatomy. Only mammals do, even though they weren’t the first tusked creatures. It is an ancient trait that predates dinosaurs, a…MORE

The world promised to cut greenhouse gas emissions. These countries aren’t meeting their targets.
Andrew Caballero-Reynolds/AFP/Getty Images

The world promised to cut greenhouse gas emissions. These countries aren’t meeting their targets.

Nearly 200 countries have pledged to cut greenhouse gas emissions to prevent the worst consequences of the climate crisis, but there is still a huge gap between what’s been promised and what scientists say is needed, according to a report by the UN Environment Programme. With just five days left until leaders meet at the…MORE

Amid a cascade of crises, Haiti’s fuel shortage could be the worst
Natalie Gallon/CNN

Amid a cascade of crises, Haiti’s fuel shortage could be the worst

An eerie silence lingers over Hospital Universitaire de la Paix in the Delmas neighborhood of Port-au-Prince. Footsteps echo through empty hallways. The normal beeps and whirs of hospital equipment are absent. The organized chaos of a city emergency room is replaced by empty chairs strung with caution tape. The stillness is pierced only by the…MORE

These lemurs could win a Grammy for their rhythmic singing abilities
Arterra/Universal Images Group Editorial/Getty Images

These lemurs could win a Grammy for their rhythmic singing abilities

If animals could be nominated for Grammys, these lemurs could win. That’s because they’ve got rhythm. The Indri indri, a species of lemur in Madagascar, is one of a few animal species with rhythm, according to a study published Monday in Current Biology. The indri is the largest living lemur species and the only one…MORE

CO2 levels in the atmosphere reach a 3 million-year high, putting the world ‘way off track’ on climate goals
Pierre Crom/Getty Images

CO2 levels in the atmosphere reach a 3 million-year high, putting the world ‘way off track’ on climate goals

The concentration of greenhouse gases in the atmosphere has once again reached record highs, according to a UN report published Monday, putting the planet on course for warming that far exceeds critical limits to stave off catastrophic climate change. The concentration of carbon dioxide (CO2) in 2020 was 149% higher than levels before industrialization, hitting…MORE

Mammoths and other extinct Ice Age giants clung on longer than previously thought, DNA analysis suggests
Yucheng Wang

Mammoths and other extinct Ice Age giants clung on longer than previously thought, DNA analysis suggests

Mammoths and other giant creatures of the Ice Age such as woolly rhinos survived longer than scientists thought, coexisting with humans for tens of thousands of years before they vanished for good. That’s according to the results of an ambitious 10-year research project that analyzed DNA from hundreds of soil samples across the Arctic. The…MORE

Turkey’s president has ordered 10 ambassadors to be declared ‘persona non grata’ for backing jailed activist
Murat Cetinmuhurdar/Handout/Anadolu Agency/Getty Images

Turkey’s president has ordered 10 ambassadors to be declared ‘persona non grata’ for backing jailed activist

Turkey’s President Recep Tayyip Erdogan has ordered the ambassadors of 10 countries, including the U.S., France, and Germany, be declared “persona non grata” after calling for the release of jailed Turkish businessman and philanthropist Osman Kavala. Persona non grata literally means “an unwelcome person.” “I gave the necessary instructions to our minister of foreign affairs,”…MORE

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