Category Science

Air pollution is hard to avoid, particularly for city dwellers Ron Adar/Alamy Air pollution is increasingly being linked to a raised risk of eczema, with the latest study showing a clear relationship between the exposure and the skin condition. Vehicles…

As I sit in my backyard in Abuja, Nigeria, looking out at the open landscape around me, I can’t help but feel a deep sense of loss. The rolling hills that were once vibrant with a rich carpet of wild…

Summary: The latest Global Carbon Budget report reveals that worldwide carbon dioxide emissions from fossil fuels have reached an unprecedented high of 37.4 billion tonnes in 2024. The research, published in Earth System Science Data, shows total CO2 emissions, including…

I vividly remember getting my first pair of glasses as a child. My mum is very near-sighted and dispatched me to the optician every year. My older sister was diagnosed at around the age of 8 and I prayed I…

As memes go, it wasn’t particularly viral. But for a couple of hours on the morning of November 6, the term “darkest timeline” trended in Google searches, and several physicists posted musings on social media about whether we were actually…

Chloroplasts, the parts of cells that allow plants and algae to photosynthesize, are thought to have originated over 1 billion years ago, when photosynthetic cyanobacteria lived symbiotically within other primitive cellular organisms. Replicating the development of this photosynthetic capability in…

Summary: New research presented at The Liver Meeting shows significant dietary and lifestyle differences among alcohol consumers based on their drink preferences. The study, published in Nutrients, found that beer-only drinkers consistently scored lowest on diet quality measures and physical…

[CLIP: Theme music] Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Plenty of us only think about insects when we’re trying to keep them out of our homes. But the truth is that our fates and fortunes are…

“Today’s ecosystem is based around living volunteers,” Ossium’s CEO and cofounder, Kevin Caldwell, says. While the US organ donor system has existed for decades, bone marrow has never been regularly collected from those deceased donors in the same way that…

Summary: New research reveals that different meat-eating mammals have evolved distinct strategies for dealing with tooth wear over their lifetimes. While bone-cracking hyenas show increased bite efficiency as their teeth wear down, other predators like big cats may rely more…