Giving adolescents living with HIV high-dose Vitamin D and calcium supplements can help improve their bone density and reduce the risk of fractures, a new study suggests. Montpellier University ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caroline Mullen Caroline Mullen is a writer focused on cleaning and organizing ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Each year, billions upon billions of tons of CO2 are pumped into the atmosphere. A significant proportion of this ends up in Earth’s oceans, where it can react with water to form carbonic acid, which ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. This paper presents a series of hands-on experiments designed to teach principles of ...

There is considerable uncertainty when quantifying carbon dioxide removal (CDR) from enhanced rock weathering (ERW). Faster CDR rates mean ERW may significantly impact climate change mitigation, and ...

Champagne, sparkling wines and fizzy cocktails are all the rage on New Year's Eve, but beware the phenomenon known as "prosecco teeth" or "prosecco smile." What a buzzkill. Champagne, sparkling wines ...

Scientific American is the authority on science and technology for a general audience, with coverage that explains how research changes our understanding of the world and shapes our lives. First ...

Add Yahoo as a preferred source to see more of our stories on Google. There's no denying that sparkling water is in vogue. One study predicts that the market for this bubbly beverage will reach a ...

Still or sparkling? It’s a question you’ll commonly hear in a café or restaurant, and you probably have a preference. But is there any difference for your health? If you love the fizz, here’s why you ...