‘Where did I park my car?’ Brain stimulation improves mental time travel

Man trying to remember (stock image).Credit: © peshkova / stock.adobe.com You might remember you ate cereal for breakfast but forget the color of the bowl. Or recall watching your partner put the milk away but can’t remember on which shelf.advertisement A new Northwestern Medicine study improved memory of complex, realistic events similar to these by […]

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Discovery boosts theory that life on Earth arose from RNA-DNA mix

DNA illustration (stock image).Credit: © BillionPhotos.com / stock.adobe.com Chemists at Scripps Research have made a discovery that supports a surprising new view of how life originated on our planet.advertisement In a study published in the chemistry journal Angewandte Chemie, they demonstrated that a simple compound called diamidophosphate (DAP), which was plausibly present on Earth before life […]

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Climate change has caused billions of dollars in flood damages

Flooded street (stock image).Credit: © EugeneF / stock.adobe.com In a new study, Stanford researchers report that intensifying precipitation contributed one-third of the financial costs of flooding in the United States over the past three decades, totaling almost $75 billion of the estimated $199 billion in flood damages from 1988 to 2017.advertisement The research, published Jan. […]

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Immune system mounts a lasting defense after recovery from COVID-19, researchers find

Coronavirus illustration (stock image).Credit: © Matthieu / stock.adobe.com As the number of people who have fought off SARS-CoV-2 climbs ever higher, a critical question has grown in importance: How long will their immunity to the novel coronavirus last? A new Rockefeller study offers an encouraging answer, suggesting that those who recover from COVID-19 are protected […]

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Sled dogs are closely related to 9,500-year-old ‘ancient dog’

Sled dogs (stock image).Credit: © murmakova / stock.adobe.com Sledge dogs are much older and have adapted to Arctic conditions much earlier than previously thought. In a new study from the QIMMEQ project, researchers from the University of Copenhagen show that ancestors of modern sledge dogs have worked and lived with humans for over 9,500 years.advertisement […]

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Why are plants green?

Leaves in sunlight (stock image).Credit: © Olivier Le Moal / stock.adobe.com When sunlight shining on a leaf changes rapidly, plants must protect themselves from the ensuing sudden surges of solar energy. To cope with these changes, photosynthetic organisms — from plants to bacteria — have developed numerous tactics. Scientists have been unable, however, to identify […]

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Tomato’s hidden mutations revealed in study of 100 varieties

Tomato varieties (stock image).Credit: © Christian BERND / stock.adobe.com Human appetites have transformed the tomato — DNA and all. After centuries of breeding, what was once a South American berry roughly the size of a pea now takes all sorts of shapes and sizes, from cherry-like to hefty heirloom fruit.advertisement Today, scientists are teasing out […]

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Hunting in savanna-like landscapes may have poured jet fuel on brain evolution

African savanna (stock image).Credit: © Grispb / stock.adobe.com Ever wonder how land animals like humans evolved to become smarter than their aquatic ancestors? You can thank the ground you walk on.advertisement Northwestern University researchers recently discovered that complex landscapes — dotted with trees, bushes, boulders and knolls — might have helped land-dwelling animals evolve higher […]

Read More Hunting in savanna-like landscapes may have poured jet fuel on brain evolution