Tag Archive for 'Acidity'

This painting depicts an asteroid slamming into tropical, shallow seas of the sulfur-rich Yucatan Peninsula in what is today southeast Mexico. The aftermath of this immense asteroid collision, which occurred approximately 65 million years ago, is believed to have caused the extinction of the dinosaurs and many other species on Earth. Shown in this painting are pterodactyls, flying reptiles with wingspans of up to 50 feet, gliding above low tropical clouds. Image credit: Donald E. Davis / NASA.

Study: Asteroid Impact, Not Volcanism, was Key in Driving End-Cretaceous Mass Extinction

Oct 23, 2019 by News Staff

The end-Cretaceous mass extinction 66 million years ago eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian...

This study reveals important fundamental differences between hot and cold brew coffee that may have implications for possible health impacts on drinkers. Image credit: Fxxu.

Study: Hot Brew Coffee Has More Antioxidants than Cold Brew

Nov 8, 2018 by Enrico de Lazaro

According to a new study published in the journal Scientific Reports, the hot brew method extracts more antioxidants from coffee than the cold brew method. This...

Walton et al describe how acidity makes oxygen-starved cancer cells dormant and drug resistant. Image credit: Walton et al, doi: 10.1016/j.cell.2018.05.009.

Baking Soda Could Improve Cancer Therapy

Jun 6, 2018 by News Staff

Cells enter a state of dormancy as tissues starved of oxygen become increasingly acidic, according to a new study. Published in the journal Cell, the study...