Apr 25, 2024 · When we eat foods with prebiotics, we don’t initially break them down completely. That’s where the microbiome comes in. Bacteria in the gut can metabolize the fiber-rich food, and this helps support a healthy balance of good gut bacteria as well as allow the good bacteria to produce metabolites.

Feb 23, 2024 · Unlike some vitamins and minerals, vitamin D is not found naturally in a lot of foods. That said, you will find it in fatty and oily fish like salmon and sardines, as well as egg yolks and red meat. The form of vitamin D found in these sources is known as cholecalciferol, or vitamin D3, the same form that the human body can produce when our skin is exposed to sunlight.

Apr 16, 2024 · Nevertheless, Alcubierre’s work inspired others to look for alternative warp drives that might be physically possible. In 2021, physicists worked out how to make a warp drive using positive energy, although with unfeasibly high energy density.

Nov 5, 2024 · Chronic wasting disease is a prion disease — a rare, neurodegenerative disorder caused by misfolded proteins, called prions, that damage brain tissue. It affects members of the deer family (Cervidae), including deer, elk, and moose, and it’s always fatal. Animals infected with CWD eventually display symptoms such as severe weight loss, lack of coordination, teeth-grinding, drooling, and ...

Mar 5, 2024 · Alpha Centauri is a system of three stars around 25 trillion miles from Earth. The brightest of the three stars, Alpha Centauri A, is like our Sun in size and brightness. The other two are Alpha Centauri B and the red dwarf Proxima Centauri.

Nov 4, 2024 · Nobody has seen the original list of the seven wonders of the ancient world. The Greek historian Herodotus and later Callimachus are purported to have created this list more than two millennia ago, but their original writings on this topic haven’t survived — we only know they included sites like the Colossus of Rhodes and the Lighthouse of Alexandria based on the writings of others later on.

May 7, 2024 · Ozempic is an injectable treatment administered once a week. The U.S. Food and Drug Administration (F.D.A.) approved a smaller dose of the drug for treating diabetes in 2017, as well as a larger dose of the drug for treating obesity in 2021, branded under the name Wegovy.As GLP-1 agonists, their active ingredient is semaglutide, which mimics a naturally occurring hormone called glucagon-like ...

On April 12, 1955, virologists announced that they’d developed a safe and potent vaccine against polio, the deadly, paralyzing disease that then tormented thousands of individuals in the U.S. Setting off a series of concentrated vaccination campaigns in the country and abroad, the announcement sowed the seeds for a polio-free future.. Today, 68 …

Feb 3, 2021 · It’s not all about the Earth's exposure to the sun, though. Ocean currents and carbon dioxide, or CO2, play a role, too. Carbon dioxide levels change more or less in step with changes in ice volumes.

Jan 11, 2024 · In 2024, we commemorate a milestone in the field of paleontology: the 200th anniversary of the discovery of the Megalosaurus. This landmark event marked the beginning of an era of wonder and exploration into the age of dinosaurs.