An identity document, a pair of reading glasses, a hearing aid and a pair of worn shoes. These are just some of Nelson Mandela’s personal items that were due to go on auction on 22 February 2024. A month before the auction was due, the New York-based Guernsey’s auction house put a notice on its...
In the context of the international search for energy transition alternatives, one of the most promising topics today is green hydrogen. And Brazil is one of the countries best placed to lead the production of this abundant, cheap and potentially efficient energy alternative. But after all, what is green hydrogen, and why does Brazil have...
The recently released film The Snow Society , by Spanish director JA Bayona, about the legendary plane crash of a Uruguayan rugby team in the Andes in 1972 has been a smash hit in cinemas and streaming platforms around the world. And a very striking aspect of this story is the issue of cannibalism practiced by the survivors in...
According to Greek mythology, Zeus punished Prometheus for giving fire to humans. He chained Prometheus and set an eagle to feast on his liver. Each night the liver grew again, and each day the eagle returned to its feast. In reality, can a liver really grow back? The liver is the largest internal organ in...
Startups are best known as innovation labs, disruptors that bring new products, services and technologies to market. But their reach goes beyond the products or services they create, according to new research from Texas McCombs. These fledgling companies inspire others in emerging industries, helping to accelerate the development of new technologies, finds Francisco Polidoro Jr.,...
More than half of the world’s population—4.4 billion people—lives in cities, and that proportion will grow to two-thirds by the year 2050, according to the United Nations. As the world’s population expands, and becomes increasingly urbanized, many have raised concerns about the impact of waste—from house trash to wastewater to greenhouse gas emissions—on the planet....
A new study may hold a secret for getting your teenager to listen to appreciate your unsolicited advice. The University of California, Riverside, study, which included “emerging adults” — those in their late teens and early 20s — found teens will appreciate parents’ unsolicited advice, but only if the parent is supportive of their teens’...
How does the opera world bring in new and younger fans? This is not a new question, and there are many audience members who really do not care, and prefer not to change anything in order to appeal to a supposedly fickle younger crowd. But much of the opera world realizes that the art will...
Rarely is there such precise historical information about the origin of an infectious disease as in the case of syphilis : in 1493, during the siege of the city of Naples by French troops. From there, it spread rapidly throughout Europe and Asia, causing one of the most devastating epidemics for humanity for several centuries, which ended when,...
“Medical illustrators draw what can’t be seen, watch what’s never been done, and tell thousands about it without saying a word.” For decades, this slogan appeared on the website and printed materials of the Association of Medical Illustrators. Although the association no longer uses this tag line, it’s still an accurate description of the profession....
