How concrete and condoms could turn a greenhouse gas green

How concrete and condoms could turn a greenhouse gas green

Bratislav Milenkovic By Michael Marshall TAKE a breath. You have just inhaled about 0.6 grams of air, including 0.4 milligrams of carbon dioxide. Had you lived in the 1600s, you would have taken in less than 0.3 milligrams of CO2 with each breath. Although it might not seem like a big difference, the additional greenhouse […]

These searing hot chilli peppers are in danger thanks to snakes

These searing hot chilli peppers are in danger thanks to snakes

Donne’ sali chilli peppersMonika Egerer By Jake Buehler The donne’ sali chilli is the hottest pepper in the West Pacific’s Mariana Islands. It features prominently in the local cuisine and is beloved by the local people. But the pepper is facing an unexpected danger: snakes. The donne’ sali chilli is a variant of Capsicum frutescens, […]

Humans thrived through Toba super-volcanic eruption

Humans thrived through Toba super-volcanic eruption

Top Story Imagine a year in Africa when summer never arrives. The sky takes on a gray hue during the day and glows red at night. Flowers do not bloom. Trees die in the winter. Large mammals like antelope become thin, starve and provide little fat to the predators (carnivores and human hunters) that depend […]

US climate report warns nation will lose out if it doesn’t act

US climate report warns nation will lose out if it doesn’t act

Salwan Georges / The Washington Post via Getty By Colin Barras and Andy Coghlan Global warming is caused by human activity and failure to address it will cost the US dearly. That’s the uncompromising message from a draft of a major US report on climate science. The full report is due to be published in […]

Study finds early signatures of the social brain

Study finds early signatures of the social brain

Top Story Humans use an ability known as theory of mind every time they make inferences about someone else’s mental state — what the other person believes, what they want, or why they are feeling happy, angry or scared. Behavioral studies have suggested that children begin succeeding at a key measure of this ability, known […]

Polar melt may shut down the Atlantic current that warms Europe

Polar melt may shut down the Atlantic current that warms Europe

Fresh water from melting ice is putting the North Atlantic current at riskAlban Kakulya/Panos By Colin Barras The ocean current that gives western and northern Europe a relatively mild climate might be at greater risk of shutdown than we thought. If the North Atlantic current – the northern segment of the Gulf Stream – did […]

New auditory display puts visually impaired on par with sighted gamers

New auditory display puts visually impaired on par with sighted gamers

Top Story Scientists at Columbia University have developed a racing auditory display, or RAD, to enable gamers who are visually impaired to play the same types of racing games that sighted players can play with the same speed, control and excitement that sighted players experience. The audio-based interface, which a player can listen to using […]

Deep sea discovery suggests world’s oldest fossils misunderstood

Deep sea discovery suggests world’s oldest fossils misunderstood

MARUM –Center for Marine Environmental Sciences, University of Bremen By Colin Barras We might need to rethink what we know about the oldest fossils ever found. Some of the best evidence for early life is provided by structures called stromatolites. Many geologists assume these stromatolites were made by microbes living in shallow, sun-drenched water. This […]

A cracking idea: The radical way to open up frozen seas

A cracking idea: The radical way to open up frozen seas

Elliot Neep By David Hambling IT WAS snowing at the edge of Lake Erie during the commissioning ceremony for the USS Little Rock in December 2017. The US Navy ship cost more than $ 300 million and is designed to have the speed and manoeuvrability needed for anti-submarine warfare. Towards the end of the ceremony, […]

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