A 319 million year old brain has been discovered. It could be the oldest of its kind

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advances and more. CNN — A scan of the skull of a 319 million year old fossil fish led to the discovery of the oldest example of a well-preserved vertebrate brain, shedding new light on the early evolution … Read more

Pregnancy complications linked to higher risk of heart disease, study finds

CNN — Five major pregnancy complications are important lifelong risk factors for ischemic heart disease, a new study discoveries, with the greatest risk occurring within a decade of delivery. Ischemic heart disease refers to heart problems, including heart attack, caused by narrowed or dysfunctional blood vessels that reduce blood and oxygen flow to the heart. … Read more

California floated cutting off major southwestern cities from Colorado River water before hitting its agricultural supply, sources say

CNN — In a closed-door negotiation last week on the fate of the Colorado Riverrepresentatives from California’s powerful water districts have offered to model what the basin’s future would look like if some of the largest cities in the West – including Phoenix and Las Vegas – were cut off from the river’s water supply, … Read more

Biden administration moves one step closer to advancing controversial Alaska oil drilling project

CNN — The Home Office’s Land Management Bureau advanced on Wednesday them controversial Willow oil drilling project on the Alaska North Slope, issuing the final environmental impact statement before the project can be approved. The Willow Drilling Plan proposed by ConocoPhillips is a massive, decades-long project that the state’s bipartisan congressional delegation says will create … Read more

Dull supernova reveals rare pair of stars in the Milky Way

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. CNN — An unusual star system created more excitement and less bang when it exploded into a supernova. The dull explosion, known as an “ultra-stripped” supernova, led researchers to discover the two stars 11,000 light-years … Read more

ChatGPT creator deploys ‘flawed’ AI detection tool to help teachers spot potential fraud

CNN — Two months after OpenAI pissed off some educators with the public version of ChatGPTan AI chatbot that can help students and professionals generate surprisingly compelling essays, the company unveils a new tool to help teachers adapt. OpenAI announced on Tuesday a new feature, called “AI Text Classifier”, which allows users to check whether … 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 food lifestyle that will improve your health for life. CNN — According to a new study of more than 197,000 people in the UK, more than half of whom were women, eating more ultra-processed foods increases … Read more

Children’s mental health tops list of parents’ worries, survey finds

CNN — Forty percent of American parents are “extremely” or “very” worried that their children will struggle with anxiety or depression at some point, according to a new survey. The Pew Research Center report said mental health was the biggest concern for parents, followed by bullying, which worried 35% of parents. These concerns outweighed fears … Read more

Screen time may impact academic achievement, study finds

CNN — According to a new study, letting infants watch tablets and TV can harm their academic success and emotional well-being later. Researchers found that increased use of screen time during infancy was associated with lower executive functioning once the child was 9 years old, according to the study published Monday in JAMA Pediatrics journal. … Read more

Covid-19 is one of the leading causes of death among children in the United States, despite a relatively low death rate

CNN — Covid-19 has become the eighth leading cause of death among children in the United States, according to a study published on Monday. Children are significantly less likely to die from Covid-19 than any other age group – less than 1% of all deaths since the start of the pandemic have been among those … Read more