教育学习   常速英语

Keywords:

GREG CARR: I flew over Gorongosa. I'm looking down, and it's magnificent. There's a great lake in the center of the ecosystem. There's rivers. There's a mountain with a rainforest. ...

Keywords:

ALVARADO: Imagine that somebody came and told you that there were animals whose heads could be decapitated, and that, in the span of a short period of time, these heads would begin to grow again from ...

Keywords:

[Jennifer Doudna:] Science is a serendipitous endeavor. We're exploring nature and trying our best to get at the truth. And every now and then, we're surprised. [Ethan Bier:] When I first hear...

Keywords:

[NARRATOR:] A patient with cystic fibrosis is susceptible to infections of the lungs. This is due to a mutation that affects a protein on the surface of lung cells. Many different mutations ca...

Keywords:

SPEAKER: Caitlin O'Connell has spent over 20 years observing how elephants interact and communicate. Her research takes place in Etosha National Park, Namibia. CAITLIN O'CONNELL: I've spent a lo...

Keywords:

NARRATOR: Brazil late 2014. Doctors noticed a disturbing trend. An increasing number of babies who were born with abnormally small heads, a condition known as microcephaly. The spike...

Keywords:

“Creating Chains and Webs to Model Ecological Relationships” is a great hands-on activity that supports the short film The Guide, which is set in a savanna ecosystem of Gorongosa National Park...

Keywords:

CLAY BOLT: I love observing and photographing insects. Wild creatures can't speak for themselves, so I used my camera to tell their stories. Lately I've gotten interested in bumble bees. ...