علمی

World faces largest species extinction since dinosaur era, WWF warns

World faces largest species extinction since dinosaur era, WWF warns Around a million species might disappear within the next few decades, the conservation organization reports © Global Look Press / Michael Runkel The Earth is facing the biggest extinction event since the end of the dinosaur era, with a million species at risk of becoming […]

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ماهواره‌برِ سیمرغ با موفقیت به فضا پرتاب شد

ماهواره‌برِ سیمرغ با موفقیت به فضا پرتاب شد سخنگوی فضایی وزارت دفاع اعلام کرد : ماهواره‌برِ سیمرغ برای اولین‌بار سه محموله تحقیقاتی را به صورت همزمان به ارتفاع ۴۷۰ کیلومتری و با سرعت ۷۳۵۰ متر بر ثانیه پرتاب کرد. ٩ دى ماه ١٤٠٠ العالم – ایران سید احمد حسینی سخنگوی فضایی وزارت دفاع و پشتیبانی

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Fish declared ‘un-extinct’ after surprise comeback

Fish declared ‘un-extinct’ after surprise comeback Conservationists are celebrating the return of the Tequila fish to Mexico’s rivers nearly two decades after going extinct © Chester Zoo The Tequila fish has been successfully reintroduced into the wild some 18 years after it was first reported as “missing” from its native habitat in Mexico and declared

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Black hole eruption as big as 16 Moons captured in most comprehensive image

Black hole eruption as big as 16 Moons captured in ‘most comprehensive’ image Scientists have captured images of a supermassive black hole some 12 million light years from Earth A screenshot showing the radio galaxy, Centaurus A, which hosts the closest actively feeding black hole to Earth. © YouTube / SciTech Daily A new study

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بررسی تاثیر کاربری‌های کشاورزی بر آلودگی آب‌های سطحی

  بررسی تاثیر کاربری‌های کشاورزی بر آلودگی آب‌های سطحی جواد رمضانی، شهرزاد دانش‌فر استادیار گروه شیلات، دانشکده محیط زیست دانشجوی کارشناسی ارشد، مهندسی منابع طبیعی- ارزیابی و آمایش سرزمین jramezani@gmail.com shahrzaddaneshfar@yahoo.com چکیده یکی از مهم‌ترین اکوسیستم‌های پویا رودخانه‌ها هستند و آگاهی از روند تغییرات و پیش‌بینی کیفیت آینده آن، امکان پیش‌بینی مشکلات احتمالی آینده و

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‘Wind’ from ‘middle Earth’ found in hidden passage

‘Wind’ from ‘middle Earth’ found in hidden passage Scientists have uncovered a secret passage beneath Panama through which “wind” from the Earth’s mantle layer is “blowing.” The discovery could explain why the nation has few active volcanoes despite being in a geological hotspot. Researchers found abnormal geochemical compounds beneath this region in Panama. © Woods

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Largest-ever group of ‘rogue’ planets discovered in Milky Way

Largest-ever group of ‘rogue’ planets discovered in Milky Way   70 wandering ‘rogue’ planets the size of Jupiter in Milky Way are largest group ever discovered Young Free Floating Planets in their parent nebula. © YouTube / Herve Bouy Astronomers have found dozens of ‘rogue’ exoplanets roaming the Milky Way without a parent star to

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