How do you lose a radioactive capsule? Australian researchers are wondering the same thing

Brisbane, Australia CNN — The discovery of a small lost radioactive capsule next to a remote highway in Western Australia raises many questions – not least how it escaped layers of radiation-resistant packaging loaded onto a moving truck. It’s one of many puzzling aspects of a case that researchers will investigate in the coming weeks … Read more

Complications in pregnancy linked to higher risk of heart disease, study finds

CNN — Five major pregnancy complications are strong lifelong risk factors for ischemic heart disease, a new study finds, with the highest risk occurring in the decade after giving birth. Ischemic heart disease refers to heart problems, including heart attack, caused by narrowed or dysfunctional blood vessels that reduce blood and oxygen supply to the … Read more

ChatGPT maker rolls out ‘imperfect’ AI detection tool to help educators spot potential cheating

CNN — Two months after OpenAI unnerved some educators with the public release of ChatGPT, an AI chatbot that can help students and professionals generate shockingly compelling essays, the company is unveiling a new tool to help educators adapt. OpenAI announced this on Tuesday a new feature called an “AI Text Classification” that allows users … Read more

EzriCare Eye Drops: CDC Advises Against Use As It Investigates Dozens Of Infections And One Death In 11 States

CNN — The U.S. Centers for Disease Control and Prevention is urging healthcare providers and consumers to stop using EzriCare Artificial Tears as it conducts a study of at least 50 infections in 11 states that have resulted in cases of permanent loss of the eyesight, hospitalization and one death. Most people with these infections … Read more

Ultra-processed foods linked to ovarian and other cancer deaths, study finds

Editor’s Note: Sign up for CNN’s Eat, But Better: Mediterranean Style. Our eight-part guide shows you a delicious, expert-backed eating lifestyle that will boost your health for life. CNN — Eating more ultra-processed foods increases the risk of developing and dying from cancer, particularly ovarian cancer, according to a new study of more than 197,000 … Read more

Adult drug use rose during the pandemic but dropped dramatically in youth, study says

Editor’s Note: Sign up for the Stress But Less CNN newsletter. Our six-part mindfulness guide informs and inspires you to reduce stress as you learn how to harness it. CNN — Teen use of marijuana and other substances dropped during the first year of the pandemic, according to a new study. But adult use of … Read more

Scientists are planning the resurrection of a bird that has been extinct since the 17th century

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news of fascinating discoveries, scientific advances and more. CNN — No other animal is as inexorably linked to extinction as the dodo, a strange-looking flightless bird that lived on the island of Mauritius in the Indian Ocean until the late 17th century. The … Read more

Babies’ screen time may affect academic success, study says

CNN — Leaving babies to watch tablets and TV may harm their academic performance and emotional well-being later in life, according to a new study. According to the study published Monday in the journal JAMA Pediatrics. Executive functioning skills are mental processes that “allow us to plan, focus our attention, remember instructions, and successfully juggle … Read more

About 1,000 US flights have been canceled due to winter weather

Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations opening up, inspiration for future adventures, plus the latest on aviation, food and drink, where to stay and other travel developments. CNN — In the US, nearly 1,000 Monday flights were canceled as winter weather swept through the center … Read more

With a finch and a fish, this scientist has changed our understanding of the tree of life

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news of fascinating discoveries, scientific advances and more. CNN — In the Galapagos Islands, a ground finch that usually chewed on small, soft seeds was forced to eat harder, larger seeds during a drought. Within a few generations, the bird developed a larger … Read more