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Evolution & Behaviour

showing 126-130 of 160 breaks

The Arctic’s singing whales

The bowhead whale is above all, a whale of superlatives. It is the only large whale to live year-round in the Arctic, its "bowed head" allows it to push up through half a meter of ice, it can live up to 200 years and it... click to read more

  • Kate Stafford | Principal Oceanographer at Applied Physics Laboratory, University of Washington, Washington, USA
Views 6101
Reading time 4 min
published on Sep 13, 2018
The European idea, a 5000 years old concept according to the Bell Beaker culture

The 3rd millennium BC in Occidental Europe and Northern Africa is marked by the appearance of a very specific type of ceramic: the bell beaker. As its name indicates, these beakers have the shape of inverted bells, and were decorated with various geometric patterns. They... click to read more

  • Claudine Abegg | PhD student at Département F.-A. Forel des sciences de l’environnement et de l’eau, Université de Genève, Genève, Switzerland
  • Marie Besse | Professor at Département F.-A. Forel des sciences de l’environnement et de l’eau, Université de Genève, Genève, Switzerland
Views 11944
Reading time 3.5 min
published on Aug 23, 2018
The healthy happiness behind dog ownership

Dogs have been called man's best friend for several centuries and it is not uncommon to read about the stereotype benefits on health and well-being attributed to their companionship. Their presence in a home has been associated with longevity, less loneliness, better adaptation to living... click to read more

  • Mwenya Mubanga | PhD student at SciLifeLab, Uppsala University, Uppsala, Sweden
Views 5811
Reading time 2.5 min
published on Aug 16, 2018
The sudden sprints of evolution

As evolutionary scientists, we see a paradox when we compare short-term ("ecological") and long-term ("geological") observations of evolutionary rates. When we look at adaptation to contemporary changes in environment, rapid evolutionary responses seem to be the norm. However, when examining body evolution in the fossil... click to read more

  • Joshua G. Schraiber | Professor at Department of Biology, Temple University, Philadelphia, PA 19122, USA
Views 4955
Reading time 4 min
published on Aug 7, 2018
Algae Living in Salamanders, Friend or foe?

Roughly speaking, our bodies use energy from the sun, but we can't use sunlight directly. Instead, plants and algae collect sunlight and store it as chemical energy through the process of photosynthesis. We can access that fuel directly when we eat plants, or indirectly when... click to read more

  • John Burns | Research Scientist at American Museum of Natural History, Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, New York, United States
  • Ryan R. Kerney | Professor at Gettysburg College, Department of Biology, Gettysburg, United States
Views 7250
Reading time 4 min
published on May 22, 2018