Getty Images
Human sperm swimming, big close up, Phase contrast
Human sperm swimming, big close up, Phase contrast
Getty Images
Tawny Nurse Shark (Nebrius ferrugineus) startles Pink Whipray (Himantura fai) feeding on fish carcass, Whipray turns back and grabs carcass from Shark, Vaavu Atoll, The Maldives
Tawny Nurse Shark (Nebrius ferrugineus) startles Pink Whipray (Himantura fai) feeding on fish carcass, Whipray turns back and grabs carcass from Shark, Vaavu Atoll, The Maldives
Getty Images
Human sperm swimming, close up, Phase contrast
Human sperm swimming, close up, Phase contrast
Getty Images
Human sperm swimming, noisy background, Phase contrast
Human sperm swimming, noisy background, Phase contrast
Getty Images
Cute Bicolour Blenny hiding in the coral reef
Cute Bicolour Blenny hiding in the coral reef underwater in Taiwan.
Curated Video
Affordable, flexible solar power technologies
AP Television
San Francisco, California - December, 18 2012
1. Low angle solar panels on roof of Chinatown Public Health Centre
2. Charles Sheehan walking next to solar panels
3. Profile Charles Sheehan
4. SOUNDBITE: (English) Charles...
Curated Video
Restaurant grows its salads on its walls
LEADIN
The concept of 'farm to plate' is nothing new - but what about 'wall to plate'?
A restaurant in Berlin is now growing its salads on its walls and harvesting them in front of customers before plating...
Curated Video
Restaurant grows its salads on its walls
LEADIN
The concept of 'farm to plate' is nothing new - but what about 'wall to plate'?
A restaurant in Berlin is now growing its salads on its walls and harvesting them in front of customers before plating...
Curated Video
North Cornwall lobster stock given a helping hand to stay healthy
1. Dennis Knight, Lobster Fisherman, hauling lobster pot onto boat
2. Close shot, lobster pot being opened
3. UPSOUND: (English) Dennis Knight, Lobster Fisherman-
"See? Too small, and only one claw. That one there, I know he's too...
AFP News Agency
CLEAN : Earthshot Prize contender turns seaweed into plastic replacement
A company based in east London is one of the 15 finalists for the 2022 Earthshot Prize, which sees five winners receive one million pound grants for their environmental work (Footage by AFPTV via Getty Images)
Sophia Learning
Sophia: Enzymes
This narrated screencast explains the role enzymes play in cellular metabolism. [4:42]
Next Vista for Learning
Next Vista for Learning: Enzymes
A video describing how enzymes function as a reaction catalyst. The video shows how enzymes work through animated examples. [1:15]
Sophia Learning
Sophia: Enzyme Function: Lesson 1
This lesson will describe how an enzyme is used to turn substrate into product. It is 1 of 5 in the series titled "Enzyme Function."
Sophia Learning
Sophia: Induced Fit: Lesson 3
This lesson will describe the process of induced fit, and explain how enzymes use it during chemical reactions. It is 3 of 3 in the series titled "Induced Fit."
Sophia Learning
Sophia: Lock and Key Model: Lesson 1
This lesson will show that each enzyme fits to a specific structure using the lock and key model. It is 1 of 4 in the series titled "Lock and Key Model."
Sophia Learning
Sophia: Active Site: Lesson 2
This lesson shows that an active site is the space on an enzyme where a substrate would attach. It is 2 of 4 in the series titled "Active Site."
Sophia Learning
Sophia: Active Site: Lesson 1
This lesson shows that an active site is the space on an enzyme where a substrate would attach. It is 1 of 4 in the series titled "Active Site."
Sophia Learning
Sophia: Enzyme Function: Lesson 5
This lesson will describe how an enzyme is used to turn substrate into product. It is 5 of 5 in the series titled "Enzyme Function."