When paleontologists at the University of Washington cut into the fossilized jaw of a distant mammal relative, they got more than they bargained for — more teeth, to be specific. (more…)
Biologen ergänzen mehr als 150 Jahre alte Lehrbuchmeinung mit neuer Erklärung zur Wespenmimikry
Die Maskerade ist nahezu perfekt: Tagaktive Nachtfalter aus der Gruppe der Bärenspinner sind gelb-schwarz gemustert, weisen Wespen-Taillen auf, ihre Fühler erscheinen wie Wespenfühler, und ihre Flügel sind transparent und wie bei Wespen gefaltet. Für diese Art der Nachahmung, gemeinhin als Mimikry bezeichnet, gibt es seit mehr als 150 Jahren eine plausible Erklärung. (more…)
Today virtually every child grows up learning that the earth orbits the sun.
But four centuries ago, the idea of a heliocentric solar system was so controversial that the Catholic Church classified it as a heresy, and warned the Italian astronomer Galileo Galilei to abandon it. (more…)
ANN ARBOR — In findings that could change the way industries like nuclear energy and aerospace look for materials that can stand up to radiation exposure, University of Michigan researchers have discovered that metal alloys with three or more elements in equal concentrations can be remarkably resistant to radiation-induced swelling. (more…)
Hochgebirgsseen sind nicht nur in den Alpen, sondern weltweit wichtige und bisher noch wenig erforschte Ökosysteme. Ruben Sommaruga, Professor am Institut für Ökologie, hat Seen in den Alpen, in Chile und in Äthiopien untersucht und miteinander verglichen. (more…)
Experiments at Berkeley Lab confirm that structural defects at the periphery are key in catalyst function
Defects and jagged surfaces at the edges of nanosized platinum and gold particles are key hot spots for chemical reactivity, a team of researchers working at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the Hebrew University of Jerusalem in Israel confirmed with a unique infrared probe. (more…)
President Vladimir Putin met at the Kremlin with Prime Minister of Israel Benjamin Netanyahu, who is in Russia on a brief working visit.
President of Russia Vladimir Putin: Mr Prime Minister, colleagues, let me wish you a warm welcome to Moscow. (more…)
FoodFutures, an exhibition addressing food production needs in the year 2050, melds the seemingly strange bedfellows of urban farming, machine learning, research engineering and design. (more…)
