Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

Plant hybridization is the process of crossbreeding between genetically dissimilar parents to produce a hybrid. It frequently results in polyploid offspring. Hybrid necrosis in wheat is caused by ...

Exogenous ketones are supplements that could help a person achieve ketosis. The ketogenic diet, or keto diet, is high in fat and very low in carbohydrates. This diet causes a metabolic state ...

Ketosis is when ketones are produced in the body from the breakdown of fat for energy. Only if too many ketones accumulate in the body may ketosis progress to diabetic ketoacidosis (DKA), a life ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.

Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States Department of Chemistry, ...

Centro de Física de Materiales (CSIC-UPV/EHU), E-20018 Donostia−San Sebastián, Spain Fisika Aplikatua Saila, University of the Basque Country (UPV/EHU), E-20018 Donostia−San Sebastián, Spain ...

In the past decade, advances in genome sequencing have allowed researchers to uncover the history of hybridization in diverse groups of species, including our own. Although the field has made ...