The fear of the blank page is a universal experience for writers. That blinking cursor on a white screen can feel like you're ...

It leaves part of the structure missing, creating a gap. Colobomas can occur in several parts of the eye - the word itself means an absence or defect of tissue. When a coloboma is in the iris - like ...

The Earth's increasing population means more pressure on finite resources. It is estimated that if all six billion people on Earth lived a European lifestyle, we would need more than two-and-a-half ...