She lost weight, clumps of hair fell out and her blackouts became more frequent.

It's the first time that scientists have witnessed clumps of stars assembling to form a galaxy like our own Milky Way and holds clues as to how the Universe was formed.

Sintering causes nickel particles to clump, reducing the surface area available for chemical reactions.

The kitten had clumps of hair at the sides of its mouth.

Antiplatelet drugs are medicines used to prevent strokes and stop platelets from clumping together.