Scientists find a surprising clue to why the universe’s expansion doesn’t add up

The students will head to Florida to compete against university teams from Australia, India and the US.

A two-year randomized clinical trial involving 493 adults with overweight or obesity found that diet soft drinks were essentially as effective as water for long-term weight loss and weight maintenance. Participants drinking beverages sweetened with aspartame, acesulfame-K, or sucralose lost a similar amount of weight to those drinking water, while both groups also saw improvements in waist size, body composition, and several metabolic measures.

Wildlife cameraman Dan Abbot is caught off guard by a humpback whale, a rare sight in Welsh waters.

Scientists have identified an enzyme that may act as a natural defense against the worsening of fatty liver disease, which affects an estimated 100 million Americans. The enzyme, called UBE2N, helps liver cells clear away damaged mitochondria and break down fat, potentially preventing the inflammation, scarring, and cell damage associated with the more dangerous condition MASH.