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A new study debunks a recent claim that astronomers may have detected a lunar-mass primordial black hole. In a reanalysis of observations from the Dark Energy Camera (DECam), researchers found that the star nicknamed "Phoebe" was simply doing something ordinary that many stars do

Olive oil and water do not naturally mix. Water molecules are polar, having a net electric dipole moment due to the bend angle of about 104.5° between the two oxygen-hydrogen bonds. Olive oil is nonpolar due to its long hydrocarbon chains, which makes it hydrophobic and insoluble

Isoprene is a volatile organic compound (VOC) that is produced naturally by plants. More than 500 megatonnes of isoprene are emitted each year into Earth's atmosphere, primarily from tropical forests. Soils are recognized sinks for atmospheric isoprene, but their behavior in natu

As consumer interest grows in foods and beverages with added nutritional value, brewers are exploring ways to improve fermentation itself rather than relying on post-production additives. Ornithine, a naturally occurring amino acid involved in several biological processes, has at

Sheep farmers could soon be able to estimate their flock's live weight and fleece weight in real time, without the need for labor-intensive handling. The new system, being developed by CSIRO, Australia's national science agency, will capture measurements in real time as animals m

The shape of biological structures, ranging from flower petals to the limbs or organs of animals, is often naturally best suited for performing specific functions. Biological structures also often present curved surfaces with specific functional advantages, such as facilitating t

New research finds that birds can use lactate, often thought of as a metabolic waste product, as a cellular fuel that aids in rapid recovery from a harmful state that impairs oxygen delivery. Hemoglobin, the protein that carries oxygen to our tissues, naturally converts to methem

Researchers have cracked the code behind bacteria's ability to naturally manufacture multiple versions of powerful anti-cancer drugs. The discovery could make it much easier to engineer new cancer treatments inspired by nature, including improved versions of existing medicines.

For the first time, researchers have filmed the elusive goblin shark alive in the deep ocean where it naturally lives. The remarkable sightings greatly expand the shark's known range and depth, showing that this 125-million-year-old "living fossil" still has plenty of secrets lef

By combining approaches from two rapidly growing fields of quantum physics, researchers at Penn State and Saint Louis University have demonstrated that a novel specialized material can naturally enable a new way to study unusual physical phenomena known as non-Hermitian dynamics.

The Amazon rainforest is one of the largest carbon reservoirs on Earth. It is also the world's largest source of biogenic volatile organic compounds (VOCs). These carbon-based gases are naturally released by vegetation. They protect trees against various sources of stress, e.g.,

What if time doesn't actually exist until something changes? Scientists at the University of Birmingham created a tiny "mini universe" using 24,000 ultracold atoms and showed that the flow of time can emerge naturally from changes inside a quantum system, without relying on any e