Spotted Lake is a soda lake that evaporates every summer, leaving a white crust with circular brine pools that can appear blue, green or yellow. ... Read more Spotted Lake is a soda lake that evaporates every summer, leaving a white crust with circular brine pools that can appear blue, green or yellow. Show less

Le samedi 3 janvier 2026, la Terre passera au plus près du Soleil. Un rendez-vous astronomique régulier mais sans conséquence directe sur nos saisons.

Pour réduire la probabilité de collision sur l’orbite de sa mégaconstellation, Starlink à décidé de réduire l’altitude d’un peu moins de la moitié de ses satellites. Une opération de sécurisation d... Read more Pour réduire la probabilité de collision sur l’orbite de sa mégaconstellation, Starlink à décidé de réduire l’altitude d’un peu moins de la moitié de ses satellites. Une opération de sécurisation de sa propre constellation pour Starlink et les autres satellites, mais aussi, un atout pour mettre... Show less

The Met Officehas confirmed that the average temperature in the UK last year was a balmy 10.09°C, which is 0.96°C above the long-term average.

Originally appeared on Saeloun Blog.ActiveRecord joins is used to combine records from multiple tables based on associations, generating an SQL INNER JOIN. With update_all, we can update multiple ... Read more Originally appeared on Saeloun Blog.ActiveRecord joins is used to combine records from multiple tables based on associations, generating an SQL INNER JOIN. With update_all, we can update multiple records quickly without triggering model validations, callbacks, or modifying timestamps. Combining these two methods is useful when we need to perform bulk updates based on data from associated tables. For example, syncing a column value from a parent record to all its children in a single query. Before When we use update_all together with joins, Rails generates a subquery that prevents referencing joined tables in the SET clause, which results in an ActiveRecord::StatementInvalid error. For example: class Client < Application… Show less

In the Peruvian Amazon, a tiny pollinator gains legal standing—and reshapes conservation.

For the first time, scientists have measured the mass of a planet drifting through space with no star, revealing clues about its mysterious origin.

New data indicate that nonoperative surveillance after removing a malignant colorectal polyp can achieve high rates of rectal and sphincter preservation without compromising outcomes. Medscape M... Read more New data indicate that nonoperative surveillance after removing a malignant colorectal polyp can achieve high rates of rectal and sphincter preservation without compromising outcomes. Medscape Medical News Show less

NHS bosses say the fall is welcome, but expect freezing temperatures to increase pressure on the health service.

Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb Space Telescope – now simulations suggest it could be a primordial blac... Read more Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb Space Telescope – now simulations suggest it could be a primordial black hole, something we have never seen before Show less