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30 Animals That Made Us Smarter

Manta ray and pollution solution

30 Animals That Made Us Smarter

BBC

Technology

4.81.1K Ratings

🗓️ 26 September 2021

⏱️ 19 minutes

🧾️ Download transcript

Summary

S2 Ep14. Will a ray save the day? It’s inspiring a way to prevent more pollution of our oceans. As sea water enters a manta ray’s large mouth, plankton are captured and other particles are thrown up by whirlpools. Systems are being developed to extract or capture microplastics from water. Thanks for listening. Get in touch: www.bbcworldservice.com/30animals #30Animals

Transcript

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0:00.0

Set on the edge of the dive boat, my fins gently swirled in the water. Looking out across

0:20.6

the vast, deep ocean, its intense azure blue was matched only by the sky above. I focused

0:27.9

my thoughts as any freediver would on controlling my breathing. The calm conditions made this day

0:45.7

absolutely perfect for a once in a lifetime encounter. My exact location is often hailed

0:52.6

as the little sister to the great barrier of reef. The Ningaloo coastline of northwestern

0:58.4

Australia is located in some of the most nutrient food-rich waters in the world and attracts

1:04.6

a number of migrating marine animals. Humpbacks, whale sharks, and also the animal I was on

1:13.4

the lookout for, which for some are said to resemble both devil and angel in equal measure.

1:20.6

The sound of a breathy gasp of air from one of the support divers surfacing snapped me out

1:27.0

of my daydream and back into reality.

1:29.6

They're right beneath us, he called out. It was time to dive. I gently slipped into the

1:38.8

water. Making even the smallest of splashes would have startled the beautiful creatures

1:43.6

I was soon to meet. Floating at the surface, I took a few deep breaths before plunging head

1:50.6

first into the murky blue. I peered through the water, hoping, waiting, and as if by magic,

2:01.0

there they were, three massive manta rays. Everything slowed down. It was like a dream. A delightful

2:10.6

sense of calm came over me. It was the way the manta rays were moving and circling in the

2:16.3

water. Swimming next to one another in tight formation like spaceships from an alien world.

2:23.8

Viewed from above, the dark upper surface of their bodies acted in such a way that initially

2:29.9

at least it left their whereabouts unknown as they blended in with the darkness of the ocean.

2:35.7

Only then for their presence to be given away by the sight of their lighter white bellies

2:40.2

flashing as they rolled and banked through the water. Like a living wing, they are perfectly

2:48.0

adapted to glide through water with minimal resistance. It was like watching an underwater

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