Engineering

Drag can lift birds to new heights, researchers find

Future aerial design may owe a nod of thanks to five parrotlets flapping around in an instrumented flight chamber at Stanford University. They revealed that counter to conventional understanding of how animals and planes ...

Business

Big airlines fight with smaller ones over airport rights

Federal regulators are proposing allowing airlines to hold on to their valuable takeoff and landing slots at several big U.S. airports, even if they are not fully using their rights due to lower traffic during the pandemic.