Solar cell efficiency may get a bump from bumps. New research suggests that building tiny domes into the surface of organic solar cells could boost their efficiency by up to two-thirds, while ...

The chewing surface of a molar has a bumpy, valley-like shape. This acts like the teeth of a saw, helping to easily grip food that enters the mouth and grind it into smaller pieces. If the chewing ...

Bumps on the scalp can be caused by other skin disorders such as folliculitis, scalp acne, or dandruff. They could also show up due to an allergic reaction to a product or skincare routine. Most of ...

Molluscum contagiosum, a common skin infection, causes small, painless bumps that can last months. It’s mostly harmless but can be easily transmitted through shared items, touch, or sexual activity.

Researchers have designed a 4D-printed soft robot that self-assembles when heated and can take on challenging tasks like rolling uphill and navigating a bumpy and unpredictable landscape. Researchers ...