Image: Conrad Space Center For divers beneath the surface, communication can become surprisingly difficult. Radio signals that work reliably on land do not travel effectively through water, leaving divers dependent on hand signals, pre-arranged plans or specialised equipment when they need to communicate. Five Chinese students, Hao Ting Lyu, Qing Ying Cao, Bai Xuan Ye,…

Nearly 400 years ago, people living in Osaka had no refrigerators, supermarkets or modern food supply chains. Yet an unusual scientific discovery suggests that their diets were far more varied than expected. Researchers analysing hardened dental plaque from eight people buried at the Umeda cemetery in Osaka identified 38 dietary proteins from 17 types of…

Representative Image of astronauts converting Martian regolith into a growing medium for crops inside a Mars habitat (AI-generated image) Three Texas students have designed a system they believe could help future astronauts grow food on Mars using material already sitting on the planet’s surface. Varshini Gandreddy, Dhiti Koyya and Raaga Bukkaraju developed the project, called…

For decades, the grasslands outside Ramona, California, looked much as they had for generations: open country, seasonal pools and wide stretches of native vegetation broken by grazing land. As reported by the local news report, The San Diego Union-Tribune, among the people who once owned part of this landscape was Hollywood actor James Cagney, who…

Colorado politician Joe Anderson suddenly collapsed on Colorado hike and died shortly thereafter. (Photo: Instagram @nypost) Joe Anderson lost consciousness and was not breathing while hiking on the lower slopes of Quandary Peak in Summit County, according to local authorities. Sheriff’s deputies were called at about 6.40am after other hikers had already begun CPR.Deputies and…

Matt Bransford and a glimpse of Mammoth Cave National Park Deep below the forests of Kentucky is a world of water, stone and centuries-old human history. Mammoth Cave National Park has the world’s longest known cave system, but its story is about far more than underground passages. It’s also a story about indigenous exploration, enslaved…