2,906 search results

Oxygen, blood and the body
Science, Maths & Technology

Oxygen, blood and the body

...centre of the cell is fast enough to support the respiration reactions. However, the amount of oxygen that can diffuse passively through the cell drops off rapidly with the distance over which the oxygen has diffused. Consequently organisms that rely on the passive diffusion of oxygen cannot be larger than about 1 mm in diameter; for larger organisms the oxygen would not...
Essay and report writing skills
Education & Development

Essay and report writing skills

...researching or carrying out an experiment or collecting data making notes thinking over your ideas. Planning Planning your assignment involves: working out an appropriate and logical structure identifying what is relevant and what is not taking account of the word limit refining your ideas selecting appropriate evidence or quotations. Drafting This stage comprises a...
Level 1: Introductory 15 hrs
What is a Sardinian dig telling us about female mobility of the Phoenicians?
History & The Arts

What is a Sardinian dig telling us about female mobility of the Phoenicians?

...researchers analyzed ancient DNA from Phoenician remains found in Sardinia and Lebanon to investigate how Phoenicians integrated with the Sardinian communities they settled. The authors looked at mitogenomes — DNA found in cells’ mitochondria, which is inherited from one’s mother — in a search for markers of Phoenician ancestry. They found 14 previously unknown...
Right to die: what about other circumstances?
Health, Sports & Psychology

Right to die: what about other circumstances?

...Research suggests that one person a fortnight travels from the UK to Switzerland to end their lives. Often they will have a terminal illness but it isn’t always the case. In 2015, 75-year old Gill Pharoah’s trip to Lifecircle was well-publicised. Indeed, she wrote a blog for The Sunday Times about her choice. In her case, she didn’t have a terminal illness although...
Shift working – does it change how we think?
Science, Maths & Technology

Shift working – does it change how we think?

...research on this:...What is circadian rhythm? Circadian rhythm is a mechanism that regulates wakefulness in a 24 hour cycle. It causes daily fluctuations in a variety of physical and mental processes linked to the predictable changes in natural light levels. Regular sleeping habits (i.e. sleeping and waking at similar times) that match natural light changes (i.e. sleeping...
Careers in Esports
Science, Maths & Technology

Careers in Esports

...Research, the global esports market was valued at USD 6.61 billion in 2024 and is projected to reach approximately USD 48.09 billion by 2034. Audience growth continues to accelerate, with the global esports viewing population expected to reach 641 million in 2025 (SQ Magazine). This makes esports a vibrant, creative and quickly expanding industry for anyone considering a...
Ceasefire anniversary in Northern Ireland: 30 years of an impossible peace
OpenLearn Ireland

Ceasefire anniversary in Northern Ireland: 30 years of an impossible peace

...research. Some of the recordings date back to 1994. Click or tap the image to open the activity. [Activity banner with link to interactive activity - ceasefire tapes] Activity transcript Photo gallery - the faces of “Impossible Peace” @@PLUGINFILE@@/Impossible%20Peace%20-%20photo%20gallery.h5p?time=1722870943065 [Click to download the full version of "Impossible...
The dot.com bubble
Society, Politics & Law

The dot.com bubble

...research, traditional valuing techniques went out the window. The dot.com crash Once the dot.com market started to crack, investors soon realised that these internet companies weren't really worth anything at all, but was this enough for them sell up before the bubble burst? Dot.com and the public damage When a bubbles bursts the immediate effect is damage to the public....