Writing on his Telegram channel, Volodin compared Ukrainian President Vladimir Zelensky to Osama Bin Laden, the leader of the Islamist group behind the 9/11 terrorist attacks in the US in 2001. “Washington released information 20 years ago that Al-Qaeda terrorists led by Bin Laden got access t...
But by the end of the Devonian, more than half of all Earth’s species had disappeared in a series of mass extinctions. New research shows how tree evolution could have contributed to these extinction events.As land plants diversified, “they started to grow more complex root systems that ...