The Earth has lived through seven epochs during the Cenozoic, but some scientists believe human impact has triggered a new epoch, the Anthropocene. This remains controversial. An epoch is a division of time characterized by a prevailing set of conditions on Earth. So far, during the Cenozoic, the Earth has lived through seven epochs: Paleocene, […]
Stretch marks, or striae distensae, are linear scars that can appear pink or purple and eventually fade to white or translucent. They are not medically dangerous, but can cause low self-esteem. Common causes include growth, pregnancy, steroid use, or Cushing’s disease. Treatments are available but not always effective, and are usually considered optional or cosmetic. […]
Hobo signs were cryptic symbols left by travelers on fences, sidewalks, and train stops from 1880 to 1940 in the US. They provided information on hospitality, food, law enforcement, and shelter. Some signs warned of police presence or lack of hospitality, while others indicated a homeowner’s hospitality or the availability of necessities like medical care […]
Stretch marks, or striae gravidarum, are common during and after pregnancy and are caused by hormonal fluctuations and weight gain. Topical creams do not prevent their formation, but managing weight, staying hydrated, and taking supplements like vitamin E can help. Cosmetic surgery may be an option for those experiencing discomfort. Striae gravidarum are marks that […]
Clipping marks are variations in terrain caused by buried archaeological artifacts, revealing buried buildings, burial sites, and ritual artwork. They can be seen from an aircraft or elevated vantage point. Cropmarks and soil marks can be used to find ancient sites, and archaeologists excavate carefully to reveal the structure or buried site. Log marks can […]
Cut marks left by bladed tools can provide useful information in various fields. They vary depending on the tool and material used, and can help identify weapons used in crimes. Cut marks can also be found in everyday objects, providing insight into their creation. Cut marks are marks left by a bladed tool such as […]
