picture of science 02-2022 – wissenschaft.de

For the news in the “Magazine” section in the 02/2022 issue of bild der wissenschaft, you will find the sources and further information here.

Our brain consumes energy even at rest more energy than other tissues. The reason for this is a “proton leak” at the synapses. (Science Advances; doi: 10.1126 / sciadv.abi9027)

The asteroid impact, which ended the era of dinosaurs, probably occurred in spring or early summer, fossil evidence suggests. (Scientific Reports; doi: 0.1038 / s41598-021-03232-9)

It takes around 120 years until a tropical forest that has regrown on cleared areas again has approximately the characteristics of an old, original forest area. (Science; doi: 10.1126/science.abh3629)

hate speech online can best be curbed by messages that arouse empathy for those affected. (Proceedings of the National Academy of Science; doi: 10.1073/pnas.2116310118)

the dominant in Europe Honigbienenart Apis mellifera originally comes from Asia and spread from there to Europe and Africa. (Science Advances; doi: 10.1126 / sciadv.abj2151)

Astronomers have for the first time an exoplanet discovered around two extremely massive, hot star giants. So far it has been considered unclear whether there can be planets around such stars at all. (nature; doi: 10.1038 / s41586-021-04124-8)

The Viagra active ingredient Sildenafil could significantly reduce the risk of Alzheimer’s disease, a study suggests. Additional laboratory tests also provided initial indications of the possible mechanism of action. (Natural Aging; doi: 10.1038 / s43587-021-00138-z)

Paleontologists have gained new insights into fundamental properties of Quetzalcoatlus, the largest pterosaurs in the history of the earth. (Journal of Vertebrate Paleontology, Vol. 41, 2021, Suppl. 1)

In past warm phases, our planet extreme Sturzregen lived through, in which the atmospheric convection got into a state that no longer occurs today. ( Nature, doi: 10.1038 / s41586-021-03919-z)

Apparently not only the pre-human Australopithecus afarensis once lived in Tanzanian Laetoli leaving footprints in the mud, but also a still unknown pre-human species. (nature; doi: 10.1038 / s41586-021-04187-7)


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