Quantum dots are crystals of a fluorescent semiconductor material with a diameter of as few as 10 to 100 atoms (2-10 nm). They are used as labels for imaging molecules because of their very narrow ...

Red spots can appear on the penis or under the foreskin due to irritation, infections, or skin conditions such as eczema. They may be painful and itchy or may cause no symptoms. Treatment can ...

The severity of a sun rash may vary. The initial symptoms include: burning itching redness bumps Some sun rashes cause small red dots, which are 2 to 5 mm in size. Rashes can appear differently on ...

To the east of central Madrid, Parque del Buen Retiro (El Retiro Park) can be translated as "Garden of the Pleasant Retreat," and that's what it is – a sprawling swath of lush greenery filled ...

There are numerous potential causes for red spots to form on the skin, including sudden infections or underlying chronic conditions. On darker skin tones, the spots may appear as purplish or ...

Learn more During the last quarter century, we’ve seen a tremendous advancement in rifle scopes. Some modern rifle scopes have such great glass that it seems you can almost see into the future ...

Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China ...

Al Drago/Bloomberg via Getty Images The Federal Reserve’s dot plot showed that officials still see two more rate cuts coming in 2025 and another two in 2026, though expectations varied among ...

Buckingham Palace, King Charles III's London home, is open for touring (except for the king's private quarters, of course) from July to October. On the tour, you'll have access to the 19 State ...

SINGAPORE: Political party Red Dot United (RDU) can offer a “fighting chance” against the People’s Action Party (PAP) in the six constituencies it plans to contest in the upcoming General ...

Red spots on the skin can appear for a variety of reasons, ranging from harmless to potentially serious conditions. They can be caused by simple irritants like dermatitis, infections such as ringworm, ...