Ideas change everything
WATCH
TED Talks
Browse the library of TED talks and speakers
TED Playlists
100+ collections of TED Talks, for curious minds
TED Series
Go deeper into fascinating topics with original video series from TED
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
TED Fluent
Watch TED Talks in your language
DISCOVER
Topics
Explore TED offerings by topic
Podcasts
Explore the TED Audio Collective
Ideas Blog
Our daily coverage of the world of ideas
Newsletters
Inspiration delivered straight to your inbox
TED Games
Innovative games that challenge you to think differently
ATTEND
Conferences
Take part in our events: TED, TEDGlobal and more
TEDx Events
Find and attend local, independently organized events
TED on Screen
Experience TED from home
TED Courses
Learn from TED speakers who expand on their world-changing ideas
PARTICIPATE
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx Event
Rules and resources to help you plan a local TEDx event
TED-Ed
Award-winning educational content and programs
Translate
Bring TED to the non-English speaking world
TED Fellows
Join or support innovators from around the globe
ABOUT
Our Organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
Type to search
現實中的「外星」頜
451,434 plays
|
Darien Satterfield
|
TED-Ed
• June 2021
Read transcript
在海底跟蹤一隻烏賊一段時間後，海鰻終於準備好突襲。當海鰻用牠的長牙咬住這隻軟體動物時，烏賊掙扎著想要脫身。可是在牠能擺脫之前，第二組牙齒從海鰻的喉嚨裡往前攫住牠。這種構造稱為咽頜，是海裡魚類演化出的構造中最常見著。達里安賽特菲爾德用這支影片和大家分享這種不凡的骨骼機制有什麼作用。〔導演：札克威廉斯；旁白：艾迪森安德森；音樂：麥斯威爾索倫森〕
TED is supported by ads and partners
