3,600 search results

How do you tell the biological sex of a T-Rex?
Science, Maths & Technology

How do you tell the biological sex of a T-Rex?

...and more about dinosaurs and their kin in ever more exquisite detail. So, how do you identify the sex of a T. rex? Super awesome advanced science, and a lot of hard work, that’s how! *Apparently it can be induced in males through extreme dosing of oestrogen, but that’s another story… This article was originally published by the PLOS network under a CC-BY licence...
What is Manupedia and how do I use it?
Science, Maths & Technology

What is Manupedia and how do I use it?

...works. Often this is presented as a list of steps to the process. Different variants of the process are outlined in separate illustrations and explanations. Every entry then includes three separate sections titled, not surprisingly, manufacture, materials and design. Each section then analyses the process from its particular perspective, often including information...
SEND crisis: overdiagnosis - fact or fiction?
Education & Development

SEND crisis: overdiagnosis - fact or fiction?

...works as well as better ways of identifying these differences. An analogy that’s often used is that when telescopes improved, we suddenly saw more stars in the sky. These stars were always there but we couldn’t see them without better equipment. However, even with increases in diagnosis there are still issues with underdiagnosis. The British Dyslexia Association, for...
British Science Week
Science, Maths & Technology

British Science Week

...working world. The links below explore some debates and questions surrounding the topic. Health Sciences - anxiety and pain Focusing on anxiety, you will consider key issues concerning diagnosis, causes and interventions in our FREE course 'Understanding anxiety'. Plus, pain - we all understand what pain is, don't we? Or do we? Try one of our FREE courses to learn more!...
Article 1 hr 30 mins
Soil as the book of nature
Nature & Environment

Soil as the book of nature

...the OPAL national soil and earthworm survey. Support those who are working to improve soils situation, such as the Soil Association. Open University courses Neighbourhood nature [Free version] Environment: journeys through a changing world Other links BBC One - Life British Society for Soil Science International Union of Soil Sciences European Union Soil Thematic Strategy...
Photochemical Machining (Photo-fabrication; Chemical milling)
Science, Maths & Technology

Photochemical Machining (Photo-fabrication; Chemical milling)

...working size. The final reduction produces a negative which is the exact size of the finished part. [Manu 1] Metal sheet cleaned with pumice and a flexible shaft brush, or chemically. [Manu 2] Plate etching removes all metal not protected by coating applied during developing process. [Manu 3] Manufacture: An alternative to laser cutting, fine blanking and NC machining....
Ethics Bites
History & The Arts

Ethics Bites

...works best? Brenda Almond gives her perspective on the family. Find out more about Brenda, and ethics, at www.open2.net/ethicsbites. Copyright When is inspiration actually plagiarism? Richard Posner guides us through the world of copyright. Find out more about Richard, and ethics, at www.open2.net/ethicsbites. Sex and Perversion When does sex bring fulfilment and when is...
Audio 3 hrs 49 mins
Cloning
Nature & Environment

Cloning

...working in Texas, succeeded in cloning a sheep using a nucleus from a cell of an early embryo. This exciting result was soon replicated by others in a host of other organisms, but it only seemed to work when early embryo cells were used. Researchers began to think that animal embryo cells became irreversibly "committed" after the first few cell divisions and that nuclei...
Article 30 mins