Scientists Issue a Stark Warning on Tree Extinctions
From soaring coastal redwoods to dinosaur-era Wollemi pines and firs that make the perfect Christmas trees, even our most revered…
From soaring coastal redwoods to dinosaur-era Wollemi pines and firs that make the perfect Christmas trees, even our most revered…
How many intelligent civilisations should there be in our galaxy right now? In 1961, the US astrophysicist Frank Drake, who…