Grasslands and wetlands are vanishing nearly 4 times faster than forests, a 15-year global study reveals. Driven by agricultural demand for meat and crops, this rapid loss threatens overlooked ecosystems that store up to 35% of the world's carbon and host 33% of global biodiversity hotspots.

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Hormonal contraceptives may subtly reshape how partners feel about each other. Research suggests that pills which flatten the natural ebb and flow of fertility can dampen shifts in attraction that typically occur across the menstrual cycle, potentially altering initial mate choice.

Many people may have been appalled by this offer, but Blagden was delighted by the opportunity for self-experimentation. He marveled as his own temperature remained at 98° Fahrenheit (approximately 37° Celsius), even as the temperature of the room approached 200°F (about 93°C).

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It's not a humanoid robot reveal without some backflips and a choreographed dance performance. Honor introduced its robot at MWC with all the spectacle we've come to expect (though the bot didn't do any talking). It’s simply called the Honor Robot, and the company has plans for it to be used in both industrial and domestic settings.

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Reading a statement from Iran's Supreme National Security Council, state TV outlets in Iran confirmed Khamenei's death.