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Em 2025: 2 notícias
Desde 1995: 6 notícias
Every bite of ultraprocessed food will increase your chance of an early death, major new study says
Publicado em 28 de abril de 2025
Ultraprocessed foods include bakery items such as doughnuts, packaged snacks, ready-to-eat meals, breakfast cereals, frozen meals, and sweetened and diet beverages. (Igor Barilo/iStockphoto/Getty Images via CNN Newsource)
As you add more ultraprocessed foods to your diet, your risk of a premature death from any cause rises, according to a new meta-analysis of research involving more than 240,000 people.
“We looked at the risk of a person dying from eating more ultraprocessed foods [...]
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‘Extraordinary’ fossil reveals the oldest ant species known to science
Publicado em 24 abril 2025An almost overlooked fossil discovered in a Brazilian museum collection has revealed the oldest ant specimen known to science, according to new research. The prehistoric ant lived among dinosaurs 113 million years ago — several millennia before previously found ants — and had an unusual way to kill its prey. Anderson Lepeco, a researcher at the Museum of Zoology of the University of São Paulo, said he came across the “extraordinary” specimen in September 2024 [...]ver notícia -
When a massive asteroid wiped out the dinosaurs, ants began farming fungi
Publicado em 04 outubro 2024Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. You have probably seen leaf-cutter ants carrying bits of plants, maybe in a nature documentary, at a science museum or in the “Circle of Life” song at the beginning of the 1994 Disney animated film “The Lion King.” Those ants don’t eat the leaves — instead they bring them back to their nests to feed a [...]ver notícia -
Your morning coffee may be hundreds of thousands of years old
Publicado em 15 abril 2024That coffee you slurped this morning? It’s 600,000 years old. Using genes from coffee plants around the world, researchers built a family tree for the world’s most popular type of coffee, known to scientists as Coffea arabica and to coffee lovers simply as “arabica.” The researchers, hoping to learn more about the plants to better protect them from pests and climate change, found that the species emerged around 600,000 years ago through natural crossbreeding of two [...]ver notícia -
Lipids in humans can help control blood sugar levels
Publicado em 29 setembro 2019Sao Paulo: A team of global researchers has discovered that a lipid -- produced in response to cold by brown adipose tissue in the human body -- helps reduce blood sugar. The discovery with the lipid known as 12-HEPE can pave the way for new treatments for diabetes, said the team from Brazil, the US and Germany. The group also observed that a drug used to treat urinary dysfunction increases the amount of 12-HEPE released into the bloodstream in human patients. White adipose tissue, one of [...]ver notícia -
‘I was scared’: Most powerful electric eel ever discovered by scientists
Publicado em 11 setembro 2019A previously undiscovered species of electric eel which delivers a shock with more than three times the voltage of a domestic plug socket has been discovered in the Amazon rainforest. The enormous 2.5 metre eel has been named the Electrophorus voltai after Alessandro Volta, the Italian physicist who invented the battery. The animal, a type of knifefish, can discharge an electric shock reaching as high as 860 volts, the most powerful of any animal known to [...]ver notícia