Over the past 15 years, the behavior of young people has shifted in interesting ways. Researchers wanted to understand how often young people acted out and what caused these actions. They studied twins from different backgrounds and found that bad behavior decreased until 2019, but then increased a bit during the pandemic. The study looked at 2, 054 twins from 1, 02...

The secret to why some animals live longer than others might be hidden in their genes. A team of scientists dug into the genetic makeup of various mammals. They wanted to understand how brain size and immune system strength might affect how long an animal lives. The scientists looked at the longest life recorded for 46 different mammal species. They ignored factors ...