常速英语

Keywords:

[ Music ] >> From my earliest days in the anatomy lab I've always enjoyed tracing the connection between humans and other members of the animal kingdom and those ties sometimes present ...

Keywords:

By the end of the 21st century, humanity is becoming desperate. Decades of heatwaves and droughts have led to unusually poor harvests, while the warming oceans yield fewer fish each year...

Keywords:

SPEAKER: When a young biologist named Tony Sinclair arrived in Tanzania's Serengeti National Park in the mid-1960s, he was confronted by a mystery. The numbers of buffalo and wildebeest ...

Keywords:

Imagine someone coming into your kitchen and taking a few tools, a pan and your garbage. Then they bury everything in the woods. 12,000 years later an archeologist is trying to figure who you wer...

Keywords:

[NARRATOR:] Right after she was born, a routine blood test revealed that Ceniya Harris has the genetic mutation that causes sickle cell disease. [CRYSTAL KELLEY:] It hit me hard. I cried. I w...

Keywords:

SPEAKER: The sweet, energetic glucose molecule is the energy source providing power for your living cells. Glucose, from the food you eat, is slowly broken down into two pyruvate molecule...

Keywords:

Climate change is just too much. There's never any good news. Only graphs that get more and more red and angry. Almost every year breaks some horrible record, from the harshest heat waves ...

Keywords:

MALE: The product of glycolysis. The pyruvate molecule is the source of carbon and electrons for aerobic respiration reactions inside your mitochondria. Pyruvate enters pores on the mit...