Unprecedented evidence that humans occupied ‘lava tubes’ could fill gaps in the archaeological record, scientists say

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. People living on the Arabian Peninsula thousands of years ago went underground when they wanted to beat the heat. They may have stopped there as they traveled between oases and meadows, then plunged into vast … Read more

Unprecedented evidence that humans occupied ‘lava tubes’ could fill gaps in the archaeological record, scientists say

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. People living on the Arabian Peninsula thousands of years ago went underground when they wanted to beat the heat. They may have stopped there as they traveled between oases and meadows, then plunged into vast … Read more

Contaminated blood victims were ‘unknowingly’ involved in research, families say

Relatives who lost loved ones in the contaminated blood scandal have claimed their relatives were “used for research” after discovering historical notes in medical records. It is alleged that some patients treated for the blood clotting disorder hemophilia in the 1970s and 1980s were treated with blood plasma that doctors knew could be contaminated and … Read more

How do different people define ‘healthy eating’?

This is evident from a recent study published in the journal Nutrientsresearchers examined the perceptions and barriers related to healthy eating among students in the Human Nutrition and Dietetics (HND) and Food Science and Technology (FST) programs in Spain. They found differences in how men and women, as well as students at different academic stages, … Read more

This Chinese virologist shared crucial Covid-19 data. Then his research encountered obstacles

Editor’s Note: Sign up for CNN’s Meanwhile in China newsletter which explores what you need to know about the country’s rise and how it affects the world. In the early days of 2020, as science sought answers to a mysterious virus outbreak in central China, a prominent Chinese virologist stepped forward to share crucial data … Read more

This Chinese virologist shared crucial Covid-19 data. Then his research encountered obstacles

Editor’s Note: Sign up for CNN’s Meanwhile in China newsletter which explores what you need to know about the country’s rise and how it affects the world. In the early days of 2020, as science sought answers to a mysterious virus outbreak in central China, a prominent Chinese virologist stepped forward to share crucial data … Read more

Takeaways from AP’s investigation of deadly police encounters involving tranquilizer injections

The practice of giving sedatives to people in police custody has quietly spread across the country over the past 15 years, based on dubious science and supported by police experts, according to a study led by The Associated Press. At least 94 people died after being given sedatives and restrained by police between 2012 and … Read more

Louisiana’s flagship university lets oil companies influence research – for a price

Louisiana’s flagship university is allowing an oil company to participate in faculty research activities for five million dollars. Or, for $100,000, a company can participate in an investigation, with “robust” review powers and access to any resulting intellectual property. Those are the terms laid out in a standard document that Louisiana State University’s fundraising arm … Read more

Ötzi the Iceman has the oldest tattoos in the world. Here’s how they’re made

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. Ötzi the Iceman was found high in the Tyrolean Alps in 1991 and had dark skin and eyes and was probably bald. His remarkably well-preserved remains, frozen beneath the ice for about 5,300 years, revealed … Read more

Study examines changes in home food availability and nutrient intake for young children

Early childhood is an important time to learn about nutrition and develop healthy eating behaviors. Young children depend on their parents to provide food options, and the availability of food in the home affects their food choices. A new study from the University of Illinois Urbana-Champaign looks at changes in home food availability and nutrient … Read more