Are you looking for artistic nail tattoos? Discover stunning designs that transform your nails into mini masterpieces, ...

Do you know what a circle looks like? Can you name some other shapes too? A two dimensional (2D) shape is made of lines. Sometimes the lines are curved and sometimes the lines are straight.

Although we may get used to seeing eye floaters in our eyes, it's important to get your ... or small shadowy shapes in your vision only to soon realise you're not looking at lines as they are ...

So, at the outset, nocturnal eyes gather more light than human eyes ... (Both are named after their relative shapes.) Cones work in bright light and register detail, while rods work in low light ...