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A cave in the interior of Paraná state in Brazil contains a "climate archive" that enabled Brazilian researchers to reconstruct the history of extreme rainfall in Brazil's South Region over the past 7,500 years. Their findings revealed that the frequency of these events in the 20

A first-of-its-kind study of supermarket products has found that in total, the plant-based items sampled contained twice as many food additives as the animal-based equivalents. Overall, the plant-based products contained more additives, more ingredients and more E-numbers than th

The retina of the human eye contains 6–7 million cone cells. These cells contain light-sensitive proteins known as cone opsins. They enable us to perceive our surroundings in detail in daylight. They allow us to see the world in thousands of colors: red strawberries, green leaves

The human brain contains billions of neurons, specialized nerve cells that communicate with each other via electrical and chemical signals. Every neuron is made up of its body (i.e., soma), where most cellular processes occur; a long projection called an axon that sends signals t

Large language models (LLMs) are only as good as the data they learn from. If their training data contains social biases, the models may unintentionally repeat those biases in their responses. As their use increases with the rise of generative AI, it has become evident that they

Cannabis, commonly known as marijuana, is a plant that contains psychoactive compounds that can temporarily alter people's brain activity and perceptions. While the consumption of this plant for medical or recreational purposes is now legal in a number of regions worldwide, past

Firefighters have started to rein in the wildfire in Spain's southern Andalusia region that killed 12 people. The affected region is home to one of the largest expat communities.

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Carbon monoxide in Uranus's deep atmosphere indicates that the planet contains more ice than rock, suggesting it formed more like Neptune than we thought

The area surrounding our galaxy’s central supermassive black hole contains three strangely different populations of stars – but one hidden black hole could explain all of them

A cave in Belize contains teeth from dozens of important Maya people buried elsewhere, which may attest to a ritual intended to ensure their passage to the underworld

Egg cells missing a key protein may be more likely to end up with the wrong number of chromosomes, but an mRNA injection that helps the cells make the protein reduces the problem