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Earth & Space

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A two decade long ballet of two stars reveals a rare twist

General theory of relativity was arguably one of the most groundbreaking scientific advancements of the past century. According to the theory, gravity is not a mere force but a manifestation of the curvature of an underlying space-time fabric. Since its initial formulation in 1915, it... click to read more

Views 147
Reading time 4 min
published on Jan 21, 2021
Cometary nitrogenous salts tell about the Solar System’s history

How did planets arise? How did the Earth become a unique planet with a habitable surface? A way to address these long-standing questions is to explore the "small bodies" of the Solar System. In addition to the planets and the satellites circuiting around them, our... click to read more

  • Olivier Poch | Researcher at Université Grenoble Alpes, CNRS, CNES, IPAG, 38000 Grenoble, France
Views 251
Reading time 3.5 min
published on Jan 15, 2021
What space dust could tell us about Earth’s past

Determining the composition of Earth's current atmosphere is relatively straightforward, using direct measurements, remote sensing via satellites, and sampling by aircraft. It is far more complicated to determine the composition of Earth's past atmosphere, going as far back as 4.6 billion years ago. Bubbles in... click to read more

Views 241
Reading time 3 min
published on Jan 5, 2021
Can coral reef islands survive sea level rise?

Sea-level rise will expose coastal communities around the world to increasingly destructive coastal erosion and flooding. This is especially true for coral reef islands, which are low elevation accumulations of loose sand and gravel that have become populated throughout the tropics. For atoll nations like... click to read more

  • Eddie Beetham | Coastal scientist at Tonkin and Taylor International Ltd., Auckland, New Zealand
  • Gerd Masselink | Professor of Coastal Geomorphology at School of Biological and Marine Sciences, University of Plymouth, UK
  • Paul Kench | Professor of Earth Science at Department of Earth Sciences, Simon Fraser University, Burnaby, Canada
Views 714
Reading time 3.5 min
published on Dec 21, 2020
Storm surge extremes are so SPATIAL

On hearing the term climate change, very often, what comes first to mind is rising temperatures, sea-level rise, or ice melting in Greenland and Antarctica. Only after catastrophic weather hazards, such as those associated with severe storms, the debate turns into the impact of climate... click to read more

  • Francisco M. Calafat | Senior Scientist at National Oceanography Centre, Liverpool, UK
  • Marta Marcos | Associate professor at University of the Balearic Islands, Palma, Spain
Views 552
Reading time 3.5 min
published on Dec 18, 2020