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Earth & Space

showing 11-15 of 163 breaks

How glaciers can help algae bloom under sea ice

With global warming, glaciers are melting rapidly in the Arctic. This meltdown leads to globally rising sea-levels and locally affected marine ecosystems. In summer, glaciers that are in direct contact with the sea are known biological hotspots. Large amounts of glacial meltwater enter the fjord... click to read more

  • Tobias R. Vonnahme | PhD Student at Max-Planck Institute for Marine Microbiology, Bremen, Germany; The Arctic University of Norway (UiT), Tromsø, Norway
Views 1058
Reading time 3 min
published on Mar 9, 2022
All is not lost for biodiversity

The status of life on Earth is of fundamental scientific interest and societal importance. Based on media headlines, one might believe that we have already lost the majority of wildlife across the world, with bold headlines indicating “Wildlife has declined 68% since 1970” and “Human... click to read more

  • Brian Leung | Associate professor at McGill University, Montreal, Canada
  • Anna L. Hargreaves | Assistant Professor at McGill University, Montreal, Canada
  • Dan A. Greenberg | Research Associate at McGill University, Montreal, Canada
Views 1000
Reading time 3.5 min
published on Feb 24, 2022
Flowering plants outcompeted conifers

As evolutionary biologists, one of our major objectives is to understand how competition for resources regulates the appearance and extinction of species and can lead to the increase or decline of entire groups of species. This is particularly difficult to study because each group has... click to read more

  • Fabien L. Condamine | CNRS research scientist at CNRS, Institut des Sciences de l’Evolution de Montpellier, Montpellier, France
Views 1700
Reading time 4 min
published on Nov 26, 2021
Our Galaxy is shooting out bullets of cold gas

The central regions of disk galaxies are large-scale powerhouses. Galactic nuclei usually host super-massive black holes that release huge amounts of energy when matter spirals around them and eventually falls onto them. Many galaxies also show strong star formation activity in their inner regions, with... click to read more

  • Enrico Di Teodoro | Postdoctoral Research Fellow at Johns Hopkins University, Baltimore, Maryland; Princeton University, Princeton, New Jersey, USA
  • Lucia Armillotta | Postdoctoral Research Fellow at Johns Hopkins University, Baltimore, Maryland; Princeton University, Princeton, New Jersey, USA
Views 1148
Reading time 3.5 min
published on Nov 23, 2021
Rethinking priorities in conservation planning to tackle the biodiversity crisis

Freshwater ecosystems cover a tiny portion of the Earth surface yet host an outstanding biodiversity. About one tenth of all known species inhabit rivers, streams, lakes, ponds, or floodplains. They are also essential to human well-being providing us with food, clean water, and leisure. Freshwater... click to read more

  • Cecília Gontijo Leal | Postdoctoral Research Fellow at Luiz de Queiroz College of Agriculture, University of São Paulo, São Paulo, Brazil
Views 1226
Reading time 3 min
published on Nov 19, 2021