2,083 search results
Animals at the extremes: hibernation and torpor
Nature & Environment

Animals at the extremes: hibernation and torpor

...base-line, withT b subsiding smoothly to about 12° C within 14 hours (Lyman and O'Brien, 1960). [The heart rate, oxygen consumption and temperature of a woodchuck entering hibernation] Lyman, C. P. and O’Brien, R. C. (1960) Circulatory changes in the thirteen-lined ground squirrel during the hibernating cycle. Bulletin of the Museum of Comparative Zoology, 124, Harvard...
View course Animals at the extremes: hibernation and torpor
Level 2: Intermediate 14 hrs
Mathemateg bob dydd 1
Science, Maths & Technology

Mathemateg bob dydd 1

...de. Mae hwn yr un peth â 5 mililitr (ml). [Described image] Ffigur 26 Llwy de I fesur meintiau mwy, mae’n debyg y byddech yn defnyddio jwg mesur o ryw fath. Yn aml mae jygiau mesur wedi’u labelu â mililitrau, yn arbennig rhai newydd, a gallant ddod mewn meintiau gwahanol: gall rhai fesur hyd at 500 ml o hylif ac eraill hyd at 1 litr (1 000 ml). Gall rhai ddal mwy...
View course Mathemateg bob dydd 1
Level 1: Introductory 48 hrs
Everyday maths 1 (Northern Ireland)
Science, Maths & Technology

Everyday maths 1 (Northern Ireland)

...based on the size of the item, why you are measuring it and how accurate you need the measurement to be. When you measure an item, you can actually express the same measurement in different ways. To help you to do this, you need to know some metric measure facts: Facts 10 millimetres = 1 centimetre 100 centimetres = 1 metre 1 000 metres = 1 kilometre Starting with the...
View course Everyday maths 1 (Northern Ireland)
Level 1: Introductory 48 hrs
An introduction to computers and computer systems
Digital & Computing

An introduction to computers and computer systems

...base-10 system. So 0 volts was used to represent the digit 0, 1 volt to represent the digit 1, and so on, all the way up to 9 volts to represent the digit 9. However, having a range of different values caused problems: voltage is not steady in a circuit, it varies as the circuit is switched on or off, and it also varies as the electricity flows through components. To cope...
View course An introduction to computers and computer systems
Level 1: Introductory 16 hrs
Reading Shakespeare's As You Like It
History & The Arts

Reading Shakespeare's As You Like It

...de théâtre – she makes an entry dressed like a woman, along with Celia and Hymen, the classical god of marriage. As you read the extract, make some notes on the following questions: What is the tone of this extract? How does it differ from the tone of the previous two extracts? When you have finished, click ‘Reveal discussion’. The numbered footnotes in the...
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Level 2: Intermediate 6 hrs
Studying mammals: A winning design
Nature & Environment

Studying mammals: A winning design

...base of the cell is a small rounded nucleus, which contains most of the genetic material (the DNA), which has a key role in directing the workings of the cell. Figure 1d is a hugely magnified view of just one of the secretory cells shown in (c) - a single sample of the many millions of cells that comprise the mammary gland. Magnification on this scale requires the use of...
View course Studying mammals: A winning design
Level 1: Introductory 10 hrs
Developing career resilience Badge icon
Money & Business

Developing career resilience

...based on, and advances, earlier work in psychology dating back to Elisabeth Kübler-Ross’s work on death, loss and grief in 1973. Fisher identifies eight stages of personal transition in response to change in the workplace, ranging from ‘anxiety’ to ultimately ‘moving forward’ – although not all stages are of equal length or significance for each person, even...
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Level 1: Introductory 24 hrs
Introduction to quantum computing
Science, Maths & Technology

Introduction to quantum computing

...based. The complexity of tasks that any computer can complete is limited by the available time and computing resources. There are two routes to increasing the power of classical computing: one is to improve the hardware, which means increasing the size of the memory, the number of gates on a processor chip, or improving the speed of those elements. The other approach...
View course Introduction to quantum computing
Level 3: Advanced 8 hrs