These are small tears in the anal lining. Initially, an anal fissure does not cause lumps. However, if the fissure spreads downward, it can result in a lump. A person should contact a doctor if ...

Silfra Fissure in Iceland, located in Þingvellir National Park, offers a unique opportunity to swim or snorkel between the North American and Eurasian tectonic plates. The water's exceptional ...

A large sinkhole and fissure appeared in Krabi’s Khao Phanom district on Saturday, which a local believes may have been caused by an earthquake. The sinkhole, measuring 20 by 20 metres, and a long ...

Wright JT, Crall JJ, Fontana M, et al. Evidence-based clinical practice guideline for the use of pit-and-fissure sealants: a report of the American Dental Association and the American Academy of ...

We may receive a commission on purchases made from links. Granite countertops generally require some sort of protection due to their porous nature, but many commercial sealants contain volatile ...

Your motorcycle’s tyres are the only part of the bike that touches the tarmac (at least when you’re not busy channelling Rossi), so they’re the only bit that has to take all the road cruft ...

Lava was seen emerging from a volcanic fissure in Iceland. Aerial footage shows hot molten rocks seeping from the 2,297 ft (700 m) long crack, breaching the protective barrier north of Grindavik ...