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Sperm counts
Nature & Environment

Sperm counts

...children are not the genetic offspring of the man considered to be their father.) But sperm count alone is not the only factor that determines fertility. To understand the biology behind male fertility it must first be understood how sperm are produced, how they are transported from the man, and then how they fight their way to their final prize - the egg that may be...
View article Sperm counts
Article 15 mins
Everyday maths 1 (Northern Ireland)
Science, Maths & Technology

Everyday maths 1 (Northern Ireland)

...children’s birthday party and splitting the bill in a restaurant. Addition (+) is used when you want to find the total, or sum, of two or more amounts. Subtraction (−) is used when you want to find the difference between two amounts or how much of something you have left after a quantity is used. For example, if you want to find out how much change you are owed after...
View course Everyday maths 1 (Northern Ireland)
Level 1: Introductory 48 hrs
Everyday maths 1 (Wales)
Science, Maths & Technology

Everyday maths 1 (Wales)

...children’s birthday party and splitting the bill in a restaurant. Addition (+) is used when you want to find the total, or sum, of two or more amounts. Subtraction (−) is used when you want to find the difference between two amounts or how much of something you have left after a quantity is used. For example, if you want to find out how much change you are owed after...
View course Everyday maths 1 (Wales)
Level 1: Introductory 48 hrs
Aquatic mammals
Nature & Environment

Aquatic mammals

...research has shown that the population is declining by 6% per year. These intelligent animals are increasingly vulnerable to threats like overfishing, getting tangled in nets, and pollution. But if you don't have an expensive camera or specialist training, don't despair. Monitoring dolphins is something that anyone can do. Here at Chanonry Point, we're a little bit...
View course Aquatic mammals
Level 1: Introductory 5 hrs
Marketing in the 21st Century
Money & Business

Marketing in the 21st Century

...researching and deciding on brand, product and technology. Related to this are the benefits the customer may receive from purchasing this television such as high definition, being able to watch 3D programmes, being the envy of their friends etc. If the benefits outweigh the cost, the purchase would have ‘added value’ for the customer.. In marketing, all organisations...
View course Marketing in the 21st Century
Level 3: Advanced 6 hrs
Working with our environment: an introduction
Nature & Environment

Working with our environment: an introduction

...Research Reports by the Hadley Centre (the UK's Government centre for climate change science), 2003 to 2005.) There is another reason why global climate change is difficult to deal with, and that is the length of time most greenhouse gases persist in the atmosphere, which for carbon dioxide and most other greenhouse gases is of the order of a hundred years. This means...
View course Working with our environment: an introduction
Level 1: Introductory 11 hrs
Engineering: The challenge of temperature
Science, Maths & Technology

Engineering: The challenge of temperature

...centre of one atom to the centre of another. Figure 4 illustrates this for a simple plane of identical atoms – fully three-dimensional networks are more realistic but less easy to draw. [Figure 4] Figure 4 Atoms in a solid can be represented as spheres, arranged in planes as a component of some three-dimensional configuration What happens if we try to force the atoms...
View course Engineering: The challenge of temperature
Level 2: Intermediate 40 hrs
Rounding and estimation
Science, Maths & Technology

Rounding and estimation

...children 4.833 3333 biscuits each. Similarly, an answer which suggests you can afford to take 10.134 people on an outing is not very sensible. When you get a mathematical answer, you need to interpret the answer within the context of the original problem and round your answer appropriately for the situation. So if you could afford to take 10.134 people on the trip, you...
View course Rounding and estimation
Level 1: Introductory 5 hrs