Russia Launches Massive Drone and Missile Barrage on Kyiv After Ukrainian Strike Kills 21 at Luhansk College

Scientists Boost Battery, Fuel Cell Performance By Over 300% Authored by Neetika Walter via Interesting Engineering, Researchers in South Korea have developed a new catalyst design strategy that boosts the efficiency of reactions used in batteries and hydrogen fuel cells without changing the catalyst itself. New catalyst approach could improve fuel cells and batteries  (Representational image)Shutterstock The team, led by Professor Seung Jun Hwang of POSTECH and Professor Jaeyune Ryu of Seoul National University, found that adjusting the electrical environment around a catalyst can significantly improve its performance. The approach could help reduce...

How Contagious Is Ebola? More than 200 people are suspected to have died in Ebola outbreaks in the Democratic Republic of the Congo and Uganda, according to the latest figures published by the Centers for Disease Control and Prevention on May 29. The vast majority of these are in the DRC. With no vaccine available for this strain, the World Health Organization declared a public health emergency of international concern on May 17. As Statista's Anna Fleck details below, Ebola is a severe and often fatal disease which is spread through direct contact with blood, secretions or...