They can survive for 3000 years yet 1 in 5 of giant sequoias were destroyed in California fires; a NASA-funded study says controlled burns could dramatically improve their survival

Giant sequoias (Image Credit: Canva) California’s giant sequoias have stood tall for thousands of years, surviving droughts, storms and countless natural fires. Yet, in just two wildfire seasons, these ancient giants suffered unprecedented losses. Between 2020 and 2021, record-breaking wildfires are estimated to have killed nearly 17% of the world’s mature giant sequoias, roughly one…

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Beavers do far more than build dams: These 20-kilogram rodents create wetlands, raise groundwater and lock away carbon |

Beavers may weigh only around 20 kilograms, but their engineering skills can reshape entire landscapes. Using little more than their powerful teeth, branches, stones and mud, these rodents build dams that slow rivers, create wetlands and transform dry valleys into thriving ecosystems. While these structures are best known for forming ponds, scientists have discovered they…

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24-million-year-old Kevda fossil leaves discovered in Assam reveal ancient tropical forests of India |

pc: Study: Fossil leaves of Pandanaceae from India suggest Paleogene persistence of the family in South Asia For most people, Kevda is recognised by its unmistakable fragrance. Its flowers are distilled into the aromatic essence used in sweets, perfumes, religious offerings and traditional remedies across India. Yet the plant has quietly carried a far older…

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International Space Station’s $23 million toilet does far more than collect waste. It helps recycle about 98% of the station’s water into drinking water |

Life aboard the International Space Station (ISS) depends on making the most of every available resource, especially water. Transporting supplies from Earth is enormously expensive, so astronauts cannot simply rely on regular deliveries for drinking water. Instead, the ISS uses one of the most sophisticated recycling systems ever built. At the heart of that system…

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Scientists found a 2,865-pound predator from before dinosaurs ruled Earth; now 2,000 ordinary people are helping reveal its skeleton

Under the watchful eye of scientists, volunteers clean the skeleton of a mastodonsaurus A huge fossilised skeleton weighing 1,300 kilograms (2,865 pounds) that was found in southern Poland is currently being chipped out of solid rock by a group of more than 2,000 public volunteers.According to a report by the Associated Press, this unusual public…

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Scientists discover a new beetle genus named after One Piece’s Luffy, and its unusually long body parts explain why |

A scientific paper describing a previously unknown group of rove beetles has produced an unusual meeting point between taxonomy and popular culture. Researchers have introduced a new beetle genus named Luffy, borrowing the name of Monkey D. Luffy, the central character from the long-running manga and anime series One Piece. While the choice may appear…

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Invasive plants may be boosting mosquito numbers in lower-income areas, showing how neighbourhood vegetation can quietly shape public-health risks

Hand reaching into a mosquito enclosure. Credit: Credit: Edwin Remsberg / University of Maryland Low-income urban neighbourhoods in Baltimore and Washington, DC, have higher mosquito numbers partly because of the types of trees growing on their streets and in empty lots, according to new research published in the Journal of Medical Entomology.The study, co-authored by…

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