Earth is the only world that we know of to have liquid water. But, in theory, the droplets required to produce a rainbow ...

Porous rubber microbeads suspended in a gel are found to exhibit a negative acoustic index of refraction, which makes these metamaterials promising for underwater acoustic applications. Negative-index ...

Jonathan Ponciano is a financial journalist with nearly a decade of experience covering markets, technology, and entrepreneurship. Suzanne is a content marketer, writer, and fact-checker. She holds a ...

Drug absorption is a pharmacokinetic parameter that refers to the way a drug is absorbed from a pharmaceutical formulation into the bloodstream. Several factors can affect the absorption of a drug ...

Vitamin B12 plays a vital role in many bodily systems, such as the production of cellular energy and DNA synthesis. A range of factors can influence absorption rates of B12, which can result in the ...

How does water move through plants to get to the top of tall trees? Here we describe the pathways and mechanisms driving water uptake and transport through plants, and causes of flow disruption. Water ...