Present-day Mars is a frozen desert, colder and more arid than Antarctica, and scientists are fairly sure it’s been that way for at least the last 3 billion years. That makes a vast network of water-carved valleys on the flanks of an impact crater called Lyot — which formed somewhere between 1.5 billion and 3 billion years ago — something of a Martian mystery. It’s not clear where the water came from.
articles
Fighting fire blight and detecting Salmonella
The plant disease fire blight, caused by the bacterium Erwinia amylovora, is dreaded by fruit growers. It affects apple and pear trees and other plants in the rosacea family, and if a tree becomes affected it usually has to be cleared and burned.
The designation of Urdaibai as a Biosphere Reserve has improved the life quality of the citizens
A piece of research by the UPV/EHU-University of the Basque Country has concluded that designating Urdaibai as a protected area has improved the life quality of the citizens, despite placing certain restrictions on them.
Bed Bugs Are the Last Thing Travelers Want to See in a Hotel Room, Even Though Most Can't ID Them
Most business and leisure travelers in the United States can’t identify a bed bug, and yet the tiny pest evokes a stronger response in hotel guests than any other potential room deficiency—putting the hospitality industry in a difficult spot.
Ammonia on-demand? Alternative production method for a sustainable future
Our society is in need of ammonia more than ever.
Chemical fertilizers, plastic, fibers, pharmaceuticals, refrigerants in heat pumps, and even explosives all use ammonia as raw material. Moreover, ammonia has been suggested as a hydrogen carrier recently because of its high hydrogen content.
Poor diet, plus Alzheimer's gene, may fuel disease
A diet high in cholesterol, fat and sugar may influence the development of Alzheimer’s disease in people who carry the ApoE4 gene, a leading risk factor for the memory-erasing disease, indicates a new USC study.