علماء روس يبتكرون محرك بلازما للرحلات الفضائية مكوناته غير قابلة للتآكل
ابتكر علماء روس من معهد موسكو للطيران محرك بلازما «أبديا» لاستخدامه في رحلات الفضاء،...
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Four in five immigrants deported under Trump 2.0 have no criminal record, study finds
Four in five immigrants deported under Trump 2.0 have no criminal record, study finds
Science
Almost all of world's coral reefs face critical risk of collapse
Almost all of the world’s shallow-water coral reefs are at risk of collapse by 2075, with climate change the biggest threat. A new study found that 96% of reef systems are critically endangered.
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Nearly all coral reefs risk collapse in 50 years: IUCN
The IUCN has warned that 96 percent of the world’s coral reefs could face collapse by 2075 due to escalating climate change impacts. Coral reefs, classified as “critically endangered,” are highly vulnerable to rising temperatures.