In focus: What is the Portuguese Man-O’-War?

Our guest post this week comes from Emei Ma, a scientific artist. If you would like to contribute a guest post, please get in touch on Twitter or Facebook. Occasionally, we come across an image or a video that compels us to ask, “What is that?” Such was the case when I saw the mesmerizing work of Aaron…

No bones about it! What are skeletons?

Skeletons aren’t just bony figures with a skull, ribs and bandy legs that jump out of closets and ask for sweets at Hallowe’en. In fact, many skeletons have no bones at all! Let’s take a far and wide look at skeletons… Skeletons fulfil at least four basic functions – they support the body’s structure against gravity or other…