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Macquarie University researchers reveal that chlorothalonil, still commonly sprayed on American and Australian produce, cripples insect fertility by more than a third at residue levels typically found on food. The unexpectedly sharp drop in fruit-fly ...

Smoke from wildfires and structural fires doesn t just irritate lungs it actually changes your immune system. Harvard scientists found that even healthy people exposed to smoke showed signs of immune system activation, genetic changes tied to ...

Wildfires are becoming more intense and dangerous, but a new Stanford-led study offers hope: prescribed burns--intentionally set, controlled fires--can significantly lessen their impact. By analyzing satellite data and smoke emissions, researchers .. ...

Footprints found in the ancient lakebeds of White Sands may prove that humans lived in North America 23,000 years ago -- much earlier than previously believed. A new study using radiocarbon-dated mud bolsters earlier findings, making it the third ...

Scientists have uncovered a surprising new way that urea--an essential building block for life--could have formed on the early Earth. Instead of requiring high temperatures or complex catalysts, this process occurs naturally on the surface of tiny .. ...

Parts of New Orleans are sinking at alarming rates -- including some of the very floodwalls built to protect it. A new satellite-based study finds that some areas are losing nearly two inches of elevation per year, threatening the effectiveness of .. ...

Beneath the Afar region in Ethiopia, scientists have discovered pulsing waves of molten rock rising from deep within the Earth -- a geological heartbeat that could eventually split Africa in two. These rhythmic surges of mantle material are helping . ...

For over half a billion years, Earth's magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking link between deep-Earth processes and life at the ...

At current emission rates, we re just over three years away from blowing through the remaining carbon budget to limit warming to 1.5 C. This new international study paints a stark picture: the pace of climate change is accelerating, seas are rising . ...

Remove the top male spotty fish and, within minutes, the next-in-line female morphs into the tank s new tyrant charging and nipping rivals while her body quietly begins a weeks-long transition to male.