Beach sand theft is a growing problem, with demand for building materials and competition between hotels being possible motives. The theft of 1,300 feet of sand in Jamaica halted construction on a resort complex and can have environmental impacts. Greek authorities have banned tourists from taking pink sand samples to protect the beaches. Thieves seem […]
Chemistry professor David Cole-Hamilton warns of a shortage of helium, essential for MRI scanners and other applications, due to a lack of recycling. He urges people to avoid helium-filled balloons to prevent supplies running out within a decade. Helium cannot be produced on Earth and is created through the radioactive decay of elements in rocks. […]
Value consideration is an exchange of valuable items or promises in a legally enforceable contract. This can include money, physical labor, or a promise of performance. As long as both parties find the consideration valuable and no coercion or fraud is involved, the contract is valid. However, the consideration must also be permitted by law, […]
Vintage posters are valuable due to limited supply and intrinsic attractiveness. Movie posters are the most commonly collected, with pre-WWII posters being the most expensive. Autographs and political posters can also increase value. The most expensive movie poster sold was for Metropolis, at $690,000 USD. Collections can be more valuable than individual posters. Vintage posters […]
Costume jewelry, made from less expensive materials, can still hold value and increase in worth over time. Vintage pieces can be valuable if created by a well-known designer or if they come back into fashion. Bakelite jewelry is particularly collectible. However, not all vintage jewelry is valuable, and trends can change quickly. Not all jewelry […]
