【TED】科普动画集锦 239 How do your hormones work 05:04 【TED】科普动画集锦 240 How do your kidneys work 03:55 【TED】科普动画集锦 241 How does a jellyfish sting 04:17 【TED】科普动画集锦 242 How does alcohol make you drunk 05:26 【TED】科普动画集锦 243 How to create cleaner...
【TED】科普动画集锦 373 Jellyfish predate dinosaurs. How have they survived so long 05:26 【TED】科普动画集锦 374 Learning from smallpox How to eradicate a disease 05:46 【TED】科普动画集锦 375 Let's plant 20 million trees together! #TeamTrees 01:01 【TED】科普动画集锦 376 Let's ma...
When you're at the beach, watch out for jellyfish both on the water and on the sand. Even a tentacle that has been separated from its jellyfish can sting. If you do get stung, first remove any tentacles clinging to the skin. Don't wash the area with fresh water -- it could relea...
Alia Payne,an interactive arts professor came to the National Museum of Natural History to work with the live jellyfish collections.She always got the same question from visitors, "How do jellyfish stings work?" She had the scientific answer for them but found it difficult ...
How do I get the most out of my wetsuit? The lifespan of a wetsuit isn't a fixed time period. It depends on how well you care for it. If you leave your suit out in the sunshine, drag it round the car park, pee in it, and never properly wash it out, you’ll be lucky to ...
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“It would be essential to introduce genetic tools that allow the tracing of specific cell lineages and the manipulation inCladonema,” Nakajima said. “Ultimately, understanding blastema formation mechanisms in regenerative animals, including jellyfish, may help us identify cellular and molecular compon...
Box Jellyfish, not surprisingly can be recognized by its somewhat cubic shape, rather than domed. They also can move quite fast, as much as 5 mph, rather than just floating along as most jellies do. In other cases, watch for signs of difficulty breathing, chest pain, difficulty swallowing...
The male pillow octopus has also been known to rip off the poisonous tentacles of Portuguese man-of-war jellyfish and wield them as make-shift swords to ward off predators. He can do this because he himself is immune to their sting. The pillow octopus is just one fascinating example of ...
Many clever species are undeterred by porcupine quills, venomous snake fangs, sticky-armed octopuses, and more.