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Trees keep absorbing carbon long after they stop growing
Trees keep absorbing carbon long after they stop growing
Oak trees keep absorbing carbon dioxide long after their annual growth has ended, revealing that photosynthesis and wood production are not as closely linked as scientists once believed. The finding could reshape forecasts of how much carbon forests will be able to store in a war
Ancient 100-kilometer Himalayan glacier once reached lower than many of India's famous hil
Ancient 100-kilometer Himalayan glacier once reached lower than many of India's famous hil
A new study published in Quaternary Science Reviews dates the dramatic collapse of one of the largest glaciers ever documented in the Himalayas. The findings overturn a long-held assumption about what sustains wet-climate (monsoon-dominated) glaciers.
Mouse found near 7,000 meters may rewrite limits of mammal survival
A tiny mouse living nearly 7,000 meters (23,000 feet) above sea level in the Andes is helping scientists rethink the limits of life on Earth. The animal, a leaf-eared mouse, is the focus of a new international study co-authored by McMaster University researchers, revealing how ma
Neutron imaging reveals how water limits CO₂ storage in recycled concrete
The construction sector faces two problems at once: it emits large amounts of CO₂ and produces vast quantities of concrete waste. But what if part of that waste could be used to trap carbon instead of ending up as rubble?
Researchers link the mass extinction of once-dominant marine groups to intolerable heat, d
Researchers link the mass extinction of once-dominant marine groups to intolerable heat, d
A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction while most animals did not. About 252 million years ago, 96% of marine species and 70% of land animals died off during the Permian–Triassic extinction eve
Rare fossil goose rewrites the story of New Zealand's giant birds
Rare fossil goose rewrites the story of New Zealand's giant birds
Scientists have discovered a previously unknown fossil goose that challenges a decades-old theory about the evolution of New Zealand's birds. The find suggests the country's giant flightless geese evolved from much more recent arrivals, revealing a far more dynamic evolutionary h
‘A slap in the face’: small farmers say Trump is turning his back on them
The president wooed farmers in his campaign, but now the USDA is yanking funding, citing ‘DEI’ and wasteful spendingIt’s just an eighth of an acre, but for Lawrencia Rogers, the plot where she grows broccolini, lettuce and beans on land once tilled by poorhouse residents in easte
Scientists decipher how a psychedelic substance is created, then engineer a plant to produ
Scientists decipher how a psychedelic substance is created, then engineer a plant to produ
Long before scientists began studying them in the lab, mind-altering substances were already being gathered from plants, fungi and even animals for use in rituals, healing practices and mental health treatment. Researchers at the Weizmann Institute of Science have now managed to
Chemists make elusive carbon-bridged sandwich molecule once thought too strained to exist
Chemists make elusive carbon-bridged sandwich molecule once thought too strained to exist
Progress in chemistry is often gradual, with some of its most important advances taking years—sometimes decades—to unfold. A case in point is the discovery of a novel "ferrocenophane" from the class of compounds known as "sandwich molecules"—so named because of their particular s
In pictures: 3,000-mile journey to save rare horses
In pictures: 3,000-mile journey to save rare horses
Przewalski's horses were once listed as extinct in the wild, with only a few remaining in captivity. O recorte ajuda a contextualizar a pauta dentro de Agro.
Underwater microphones detect dolphins in Sea of Japan bays about once every ten days
Underwater microphones detect dolphins in Sea of Japan bays about once every ten days
When residents of two coastal communities along the Sea of Japan reported observing dolphins in nearby waters, it caught the attention of some scientists. The marine environment has been changing rapidly in the Sea of Japan, which is partially enclosed by the Japanese archipelago
A 37-year soil experiment revealed a hidden climate threat
A 37-year soil experiment revealed a hidden climate threat
The world's longest-running soil warming experiment has revealed an unexpected climate concern. After nearly four decades, researchers found that warming can cause microbes to break down stable soil carbon that scientists once believed was largely protected. That releases extra c