What is paraxanthine? The ‘caffeine alternative’ appearing in coffee and energy drinks

Brands claim paraxanthine can provide a steadier form of alertness, promising ’focused, clean energy’ and no jitters or crash ...
Space.com on MSN

Ryugu asteroid sample contains all five key components of DNA, scientists find

A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, ...
Science Daily

DNA origami vaccines could be the next leap beyond mRNA

RNA vaccines saved millions of lives during COVID-19 but have limitations like waning immunity and complex production. Scientists are now testing a new platform called DoriVac, which uses folded DNA ...
The Lancet

How to test for hepatitis D virus infection: evidence and rationale to inform policy recommendations and future directions

Chronic hepatitis D virus (HDV) coinfection in people with chronic hepatitis B is associated with rapid progression to liver cirrhosis and high mortality. In 2020, the estimated global HDV burden ...