1+ hour, 41+ min ago   (1187+ words) Mental health warnings made teens less interested in using social media than standard break reminders in a new randomized trial. Almost every American teenager is on social media. Four states have adopted policies requiring social media platforms to show health…...

1+ day, 6+ hour ago   (639+ words) Indonesia’s peatlands are drying out as El Niño strengthens, allowing fires to smolder underground and produce enormous amounts of hazardous smoke. Today’s Image of the Day from NASA Earth Observatory features fires burning across Indonesia as an intensifying El Niño…...

6+ hour, 44+ min ago   (802+ words) Billions of trees and grasses planted by China to fight climate change caused water to evaporate faster than rain could replenish it. China has raised its forest cover from about 10% of the country in 1949 to more than 25% today, an added…...

12+ hour, 32+ min ago   (1041+ words) Three peptides stayed whole for weeks in 98% sulfuric acid, the stuff of Venus's clouds, and all three folded into the same omega loop. Concentrated sulfuric acid takes apart almost anything biological it touches. For that reason astronomers looking for life…...

1+ day, 8+ min ago   (1111+ words) Steel, cement, aluminum, and fertilizer sit behind a fifth of global emissions, and a carbon price floor could raise $200 billion a year. In almost every large economy, making steel, cement, aluminum, and fertilizer releases large amounts of carbon, and those…...

1+ week, 1+ day ago   (1023+ words) A remarkably complete armored fish fossil from Brazil survived near a massive asteroid crater, revealing an unexpected link to ancient Europe. Near the end of the Permian, an asteroid hit central Brazil and folded the rock layers around the crater…...

2+ day, 2+ hour ago   (1131+ words) Personality genetics held up in a test that deflates the genetic signal behind school success, and no single variant does much alone. Ask why one sibling became the anxious one, and people usually point to upbringing. For years, DNA has…...

1+ day, 23+ hour ago   (1122+ words) The human body depends on cells passing information to one another. Heart cells need to work together, nerve cells need to carry signals, and many other tissues depend on cells knowing what nearby cells are doing. This raises a basic…...

1+ day, 2+ hour ago   (1019+ words) Coastal marshes lock away carbon for centuries. But when they erode, that buried carbon slips sideways into the sea. Coastal marshes sit where land meets the sea. Their plants trap mud and sand, while their soils store carbon from roots…...

1+ day, 34+ min ago   (703+ words) Ancient iron deposits reveal how mountain building and the spread of land plants transformed Earth's iron cycle over the past 1.2 billion years. For decades, scientists have relied on ancient iron deposits to trace how Earth’s oceans and atmosphere first filled…...