Costa Rica lost nearly half its forests in just a few decades, then planted millions of trees and became one of the world’s greatest reforestation success stories |

By the 1980s, Costa Rica was facing an environmental crisis that few could have imagined just decades earlier. Once blanketed by lush tropical forests, the Central American nation had lost nearly half of its tree cover as logging, cattle ranching and agricultural expansion rapidly transformed the landscape. Wildlife habitats shrank, biodiversity declined, rivers became increasingly…

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Scientists may have finally solved the mystery behind Yellowstone’s 640,000-year-old mega eruption, revealing what really fueled it |

For decades, Yellowstone has been held up as one of the clearest examples of a volcanic system fed by an immense column of hot rock rising from deep within the Earth. That picture has shaped scientific thinking about why the region remains volcanically active and how its future might unfold. A newly published study, however,…

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Spanish conquerors described a terrifying tower made of thousands of human skulls, historians thought it was propaganda, then archaeologists found it beneath Mexico City | World News

When Spanish conquistadors entered the Aztec capital of Tenochtitlan in 1519, they described a sight so horrifying that many later historians believed it had to be exaggerated. According to their accounts, a massive tower and racks built from thousands of human skulls stood near one of the city’s most important temples. For centuries, these descriptions…

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Quote of the day by John Cockcroft: “Human progress has always depended on the achievements of…” – a Nobel laureate’s tribute to the father of India’s nuclear age |

John Cockcroft (Image: Wikipedia) Some people don’t just contribute to the world. They bend its direction. The British physicist John Cockcroft, himself a Nobel Prize winner who helped split the atom, believed history turns on such rare figures. Human progress has always depended on the achievements of a few individuals of outstanding ability and creativity,…

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Florida’s Burmese python challenge can’t wipe out invasive snakes from the Everglades. Awareness is the real victory, officials say |

Officials and participants display a Burmese python during the launch of the 2026 Florida Python Challenge. Florida’s annual effort to tackle one of the world’s most notorious invasive species is returning this July, but wildlife officials are making one thing clear: the event is not expected to eradicate Burmese pythons from the Everglades. Instead, they…

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