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Evolution & Behaviour

showing 91-95 of 123 breaks

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 3214
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 2805
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 4378
Reading time 4 min
published on May 22, 2018
Gliding mammals during the Age of Dinosaurs

There is a tremendous interest in the dinosaurs that ruled the Earth during the Mesozoic Era, or the Age of Dinosaurs, but what about our mammalian ancestors that were alive at the same time? Tiny mammals lived amongst the dinosaurs for over 100 million years;... click to read more

  • David M. Grossnickle | Postdoctoral Research Fellow at Department of Organismal Biology and Anatomy, The College of The University of Chicago, Chicago, USA
Views 3603
Reading time 4 min
published on May 18, 2018
Ancient Egyptian mummies give up the last of their secrets

Our group together with an international team of scientists successfully recovered and analyzed ancient DNA from Egyptian mummies dating from approximately 1400 BC to 400 AD, establishing ancient Egyptian mummies as a reliable source for genetic material to study the ancient past. The study, published... click to read more

  • Johannes Krause | Professor at Max Planck Institute for the Science of Human History, Kahlaische Straße 10 07745, Jena, Germany
Views 5017
Reading time 3.5 min
published on May 15, 2018