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Amazon rainforest emits new stress-defense molecules during El Niño drought
Amazon rainforest emits new stress-defense molecules during El Niño drought Gaby Clark Scientific Editor Robert Egan Associate Editor The Amazon rainforest responded to the most severe drought ever recorded in the basin with an unexpected defense mechanism. Researchers at the Max Planck Institute for Chemistry in Mainz, Germany, found that during and after the intense 2023–2024 El Niño cycle, the most intense drought ever recorded in the region, vegetation significantly changed its chemical...
Extreme weather is making Antarctic research harder, but new technology is providing some answers
Extreme weather is making Antarctic research harder, but new technology is providing some answers Gaby Clark Scientific Editor Robert Egan Associate Editor When you think of Antarctica, you might imagine a stark, otherworldly continent of endless, white ice, with the only sound being the wind punctuated by the crack of a glacier calving in the distance. This image may have been true more than 30 years ago, but is certainly not the case anymore. In January, I met online with colleagues who...
Record wildfire losses rocked 2025 even as global burned area neared all-time lows
Record wildfire losses rocked 2025 even as global burned area neared all-time lows Sadie Harley Scientific Editor Robert Egan Associate Editor A new analysis of global wildfire activity in 2025 reveals the world experienced some of the most destructive and deadly fire events in recent history, despite the second lowest area burned since 2002. It highlights a continued trend toward fires becoming increasingly extreme, costly, and disastrous—both economically and in lives lost. Led by the...
Canadian forest fires are losing their climate cooling power, says study
Canadian forest fires are losing their climate cooling power, says study Gaby Clark Scientific Editor Robert Egan Associate Editor Diminishing periods of snow cover in northern forests, shortened by climate change, are poised to disrupt a delicate balance in some of the planet's most climate-sensitive regions—according to new research from McMaster University, VU Amsterdam, and the Woodwell Climate Research Center. Historically, carbon emissions from northern forest fires were counteracted...
Archaeologists study the International Space Station and Everest to figure out 'how humans adapt in this impossible place where we have no business going'
Archaeologists study the International Space Station and Everest to figure out 'how humans adapt in this impossible place where we have no business going' Archaeologists are turning their attention and research skills to far-flung places on the Earth and beyond, discovering new information about how humans survive in extreme environments. Most archaeologists study the things that past people left behind to recreate a picture of a bygone culture. Researchers are now applying those same...
LdT: An indicator of ionospheric activity based on statistical distributions in GNSS-derived TEC rates of change
arXiv:2504.06056v3 Announce Type: replace Abstract: Many aspects of our societies now depend upon satellite telecommunications, such as those requiring Global Navigation Satellite Systems (GNSS). GNSS is based on radio waves that propagate through the ionosphere and experience complicated propagation effects caused by inhomogeneities in its electron density. The Earth's ionosphere forms part of the solar-terrestrial environment, and its state is determined by the spatial distribution and...
Should we store Mars samples on the moon to keep alien germs away from Earth?
Should we store Mars samples on the moon to keep alien germs away from Earth? "The moon may become humanity's first line of biological defense." A team of researchers is advocating to use the moon as a secure site for biocontainment of extraterrestrial samples, particularly those from Mars, but also from other potential worlds like Enceladus, a moon of Saturn.
Could meteor storms harm NASA's future moon missions?
Could meteor storms harm NASA's future moon missions? "If a major meteor shower outburst or storm is forecast during a mission or crew activity, the mission would be delayed or the crew kept inside until the outburst or storm is over." Meteor showers are among the most beautiful phenomena to brighten Earth's sky, but could the fast moving space rocks that accompany major events threaten or delay future Artemis moon missions as NASA and its partners plan for a lunar landing attempt?
CNA Explains: What is El Nino and what can Singapore expect if it returns in 2026?
CNA Explains: What is El Nino and what can Singapore expect if it returns in 2026? There is a more than 80 per cent chance of an El Nino event occurring in 2026, according to the Meteorological Service Singapore. SINGAPORE: The Meteorological Service Singapore (MSS) on May 29 said that El Nino conditions are likely to develop between June and July.
2025 costliest year on record for wildfires, study finds
2025 costliest year on record for wildfires, study finds Wildfires accounted for 38 per cent of all insured natural hazard losses globally - Bookmark - CommentsGo to comments Wildfires caused more financial damage in 2025 than in any other year, with catastrophic fires in the US, South Korea and Europe killing about 90 people and forcing roughly 300,000 to evacuate, a new study found. Wildfires accounted for 38 per cent of all insured natural hazard losses globally in 2025 – more than...