资讯

There is perhaps no scholar more qualified to dissect the world's energy systems on a macro scale – from food and agriculture to electricity and fuel – than Vaclav Smil. The 81-year-old Distinguished ...
(via PBS Terra) The Cascadia Subduction Zone, just off the Pacific Northwest coast, is building toward a massive earthquake and tsunami. But new research reveals an even more terrifying possibility: ...
(via PBS Eons) What does it mean to be a “semi-aquatic” dinosaur? Was it wading in the shallows, or could it have been a skilled swimmer? Each scenario paints a very different picture of Spinosaurus, ...
(via Veritasium) How an unlikely physics paradox controls these counterintuitive structures.