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Earth & Space

showing 36-40 of 191 breaks

Diving into the icy origins of Martian valleys

I invite you to use Google Earth and explore Mars. Look at the Martian southern hemisphere, and find an arid landscape littered with fossil valleys. These valleys speak of a remote past, when the red planet had water on its surface. There are thousands... click to read more

  • Anna Grau Galofre | Postdoctoral Research Fellow at Laboratoire de Planétologie et Géosciences, CNRS UMR 6112
  • Mark A. Jellinek | Postdoctoral Research Fellow at School of Earth and Space Exploration, Arizona State University, USA
  • Gordon R. Osinski | Postdoctoral Research Fellow at School of Earth and Space Exploration, Arizona State University, USA
Views 2330
Reading time 3.5 min
published on Apr 1, 2022
The Ocean 100: the big fishes of the blue economy

Who are the “big fish” in what is often called the ocean economy? The ocean economy is the part of the global economy that is linked to sea, for example, as an operating space or an input to a company’s production. Collectively, this ocean-linked economic... click to read more

  • John Virdin | Director of Research at Nicholas Institute for Environmental Policy Solutions , Duke University, Durham, North Carolina, USA
Views 2453
Reading time 4 min
published on Mar 30, 2022
Desertification danger: the aridification of humid regions

A major ongoing threat to our planet is global warming. One of the main implications of global warming is the aridification of the continents, which is when a region becomes dry. Both natural (e.g., higher temperature, reduced precipitation, increased evaporation) and human influenced changes (e.g.,... click to read more

  • Lucas Vimpere | Postdoctoral Research Fellow at Earth and environmental sciences section, Faculty of science, University of Geneva, Geneva, Switzerland
Views 2947
Reading time 3 min
published on Mar 16, 2022
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 2497
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 2293
Reading time 3.5 min
published on Feb 24, 2022