What happened to all the tree-planting plans?

In January, the World Economic Forum, backed by US president Donald Trump, announced the One Trillion  Trees to plant or protect a trillion trees by 2030, bolstering the estimated 3 trillion that already exist. The scheme joins existing reforestation efforts such as the “Trillion Trees” project launched by conservation groups in 2017. “One Trillion Trees” …

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Why don’t birds freeze at high altitudes?

Birds fly at tens of thousands of metres high. Ice forms on the wings of planes at this altitude, so why don’t the birds freeze? Birds can sometimes reach astonishingly high altitudes. The record is a massive 11,278 metres by a Rüppell’s vulture that collided with an aircraft. The resulting “snarge” – that is to …

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About the current crisis: a parallel story

Isn’t it amazing that one man can so easily rile up millions of people, who seem to sincerely believe the national election was stolen from him, no proof needed. I am reminded of my youth at a boarding school. By “tradition”, young boys lacking confidence and struggling with being away from home, were stuffed into …

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