含中文字幕节目   

Keywords:

We're going to be looking at these electrical impulses, these flashes, which are called action potentials, are crossing three neurons in the circuit here. And as we look in higher po...

Keywords:

Book and arts. Book review. Immortality. For ever and ever. Immortality: The Quest to Live Forever and How It Drives Civilisation. By Stephen Cave. IMMORTALITY is an age-old obsession. Plenty o...

Keywords:

Tractor pulling began as a simple competition in rural areas.Farmers would compete to see whose horses or tractors were the most powerful and could pull the heaviest load.The popularity of tractor pul...

Keywords:

Steve: Before I get your comments again, I have two short readings from the article. One from this sidebar called "Many Worlds". Rennie: All right. Steve: "The many worlds interpretation [asserts] t...

Keywords:

Hurricanes are really big storms that start really small. Hurricane Katrina, which devastated New Orleans, had winds of 130 miles an hour. Most hurricanes that hit the US start as sma...

Keywords:

Have you ever wanted to travel around the whole world? Can you imagine what that trip would be like? What places would you visit? What people would you meet? In 1991, Jason Lewis and Steve Smith de...

Keywords:

Sirte, where he was born in a Bedouin tent in the sand-wastes and died amid the crackle of sniper fire; Misrata, where he went to a private tutor to learn history; Benghazi, where at military college ...

Keywords:

Steve: So let's talk about Remarkable Creatures. This is your newest book. First of all, for anybody who hasn't read Making of the Fittest or Endless Forms, you should go out and read those immediatel...