Duration: 3'19''
Seeds need the conditions to right in order to be able to germinate.
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All life needs water | Bitesize Science
Osmosis is a special type of diffusion, involving water, where molecules move from a high to a low concentration.
Beneath the surface | Bitesize Science
Microscopes continue to develop over time, giving us access to increasingly incredible magnification.
Blood Vessels | Bitesize Science
A short guide on blood vessels in the body.
Dance of the chromosomes | Bitesize Science
Mitosis is a type of cell replication that is essential to the human body's ability to grow and repair.
Endothermic and exothermic reactions | Bitesize Science
Endothermic reactions absorb heat, while exothermic reactions give off heat.
Enzyme power and food as fuel | Bitesize Science
Enzymes are biological catalysts which help us to get the energy we need from food to survive.
Growing bacteria | Bitesize Science
Bacteria reproduce by cloning themselves, and in the right conditions can reproduce very quickly.
Internal reflection | Bitesize Science
An examination of how light can be internally reflected, and how this is used for carrying information in fibre optic cables.
Newtons laws | Bitesize Science
Newton's laws of motion continue to underpin principles in modern day physics.
Photosynthisis | Bitesize Science
Photosynthesis is essential to life on this planet.
Solubility | Bitesize Science
Solubility is the measure of how much solute can dissolve in a solvent.
The circulatory system | Bitesize Science
A short guide on the circulatory system.
The feather and the hammer | Bitesize Science
Air resistance affects different objects and how they fall differently, just as Galileo suggested.
The force of friction | Bitesize Science
Any time one surface moves over another, there is a force of friction.
The oceans are changing | Bitesize Science
Scientists believe that our oceans are becoming more acidic due to the CO2 we are producing being absorbed by the oceans.
The power of invisibility | Bitesize Science
Light moves at different speeds through different objects, this can make objects appear in a different place to where they actua...
The race is on | Bitesize Science
The rate of a chemical reaction depends on the temperature, concentration, particle size and any catalysts present.
'Constant craver's'' and wanting food | What's The Right Diet For You? A Horizon Special
Some of the dieters use a grip-meter to test how much they want foods high in fat an...
'Emotional eater's'' and stress-eating | What's The Right Diet For You? A Horizon Special
Scientists give some of the dieter's a purposefully stressful driving test and then...
'Feaster's'' and gut hormones | What's The Right Diet For You? A Horizon Special
The scientists test the theory that some people lack a certain amount of GLP1, a gut hormone...
'Hungry'' genes and food cravings | What's The Right Diet For You? A Horizon Special
The "cravers" are strapped up with an eye tracker and results are compared with other di...
1: A Confusion of Names | Botany: A Blooming History
Timothy Walker reveals how the work of Carl Linnaeus, Phillip Miller and John Ray unlocked the mysteries of the plant ki...
1: Apeman - Spaceman | Human Universe
Professor Brian Cox explores our place in the universe. He charts the story of humans from apes to the birth of civilisation to our asc...
1: Body and Soul | Andrew Marr on Darwin's Dangerous Idea
Andrew Marr explores how Darwin's theory of evolution by natural selection has taken on a life of its own far beyon...
1: Cauldron of Life | Galapagos
Liz Bonnin joins a scientific team aboard the research vessel the Alucia on an expedition across the Galapagos Islands.
1: Challenges of Life | Life
David Attenborough examines how living long enough to breed is a monumental struggle, and how many animals and plants go to extremes to give the...
1: Creation | Inside the Human Body
Using state-of-the-art graphics, Michael Mosley shows the sequence of biological events that lead to human birth.
1: Island of Marvels | Madagascar
Series exploring Madagascar and its unique wildlife. David Attenborough reveals the most bizarre places and their inhabitants on this ecolo...
1: Life From Light | How to Grow a Planet
How plants have driven the greatest changes to the Earth. Prof Iain Stewart shows how they first harnessed light from the sun and c...
1: Pain | Pain, Pus and Poison: The Search for Modern Medicines
Michael Mosley discovers what pain is and how we were able to control it with the discovery of morphine at th...
1: The Book of Life | The Gene Code
Adam Rutherford explores how the entire human genome was decoded, discovering that every human carries the entire story of life on earth ...
1: The First of Us | Human
The extraordinary story of how the human species, Homo sapiens, first emerged, where the discoveries of recent years are revolutionising the under...
1: The Hidden Kingdom | The Cell
Adam Rutherford tells the story of the biological cell. He explores how centuries of scientific and religious dogma were overturned by the d...
1: The Infinite Variety | Life On Earth
The first ever episode of the landmark natural history series Life on Earth. David Attenborough explores the wildlife and landscape t...
1: Travelling | The Private Life of Plants
David Attenborough begins his incredible journey into the world of plants with a look at how plants move from place to place.
1: Tropical Worlds | The Green Planet
Tropical rainforests are plant battlegrounds. New filming techniques allow us to enter the world of plants to see it from their perspec...
1: Vaccines | Extra Life: A Short History of Living Longer
Documentary series about the effect of medicine on life expectancy. How the development and delivery of the smallp...
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