Alec Luhn

2 weeks ago | scientificamerican.com | Alec Luhn

This story was produced in partnership with the Pulitzer Center’s Ocean Reporting Network. A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a February morning in far northern Canada. Wisps of snow blew across the white expanse. It was –26 degrees Celsius as we left Cambridge Bay, an Inuit village in a vast archipelago of treeless islands and ice-choked channels. This temperature was relatively warm—six degrees C above average.

2 weeks ago | thetimes.com | Alec Luhn

3 weeks ago | scientificamerican.com | Rachel Feltman |Alec Luhn |Fonda Mwangi |Alex Sugiura |Jeffery DelViscio

This story was produced in partnership with the Pulitzer Center’s Ocean Reporting Network. Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. You don’t have to pay much attention to the news to know that climate change is causing Arctic sea ice to melt—and to understand that this is a huge problem. Ice reflects sunlight, which helps keep cold places cold.

Feb 11, 2025 | newscientist.com | Alec Luhn

At the back of the Sea Life aquarium in Weymouth on England’s south coast, a hangar resounds with the rush of water into tanks. Three reef sharks and a nurse shark are cruising around in one. A stingray is hiding somewhere in another. But a closed rectangular tank of stainless steel holds an entirely different beast: carbon dioxide bubbling out of seawater as part of a process scientists hope could someday help reverse climate change. A red line on a computer screen shows…

Jan 30, 2025 | es.wired.com | Alec Luhn

Los investigadores se afanan por averiguar por qué un helicóptero militar y un avión de pasajeros colisionaron y se precipitaron al río Potomac en Washington DC a última hora del miércoles, en el primer gran accidente aéreo ocurrido en Estados Unidos en 16 años. Por lo poco que se sabe, es probable que influyera un error humano, lo que plantea interrogantes sobre la escasez crónica de controladores aéreos y pilotos.