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BGU Research Finds Scorpions To Be Master Architects

BGU Research Finds Scorpions To Be Master Architects

July 8, 2014

Natural Sciences, Press Releases

BEER-SHEVA, Israel, July 8, 2014 – Ben-Gurion University of the Negev scientists have discovered that scorpions create a platform in their burrows where they warm up before the evening hunt.

As ectothermic animals, scorpions rely on energy from the environment to regulate their internal temperature. The researchers believe that this platform provides a safe, warm spot for the scorpions to increase their body temperature before they leave their hiding places to forage at night.

After trapping the wild large-clawed scorpions (Scorpio Maurus Palmatus) in Israel’s Negev desert the researchers filled their burrows with molten aluminum to make replica casts. Once solidified, they were unearthed and analyzed by a 3-D laser scanner and software.

The researchers found that the burrows followed a very sophisticated design, beginning with a short, vertical entrance shaft that flattened out a few centimeters below the surface into a horizontal platform. The burrows then turn sharply downwards, descending further below ground to form a dead-end chamber. This cool, humid chamber, where evaporation water loss is minimal, provides a refuge for the scorpions to rest during the heat of the day.

The design was common to all the scorpion burrows studied, which suggests that burrow building in scorpions has evolved by natural selection to meet the animals’ physiological needs.

“Very little is known about burrow environments,” says Dr. Amanda Adams who presented the study at the Annual Meeting of the Society for Experimental Biology in Manchester, United Kingdom on Thursday, July 3, 2014. She is a post-doctoral research fellow in the Marco and Louise Mitrani Department of Desert Ecology at BGU’s Jacob Blaustein Institutes for Desert Research. Her co-researcher and advisor for the study is Prof. Berry Pinshow.

“We plan to expand our studies to more scorpion species around the world to test how burrow structure is shaped to be part of the burrow builder’s extended physiology. Understanding the relationship between environmental conditions and burrow structures, meanwhile, could help to predict how burrow-builders will respond to climate change.

Scorpions are predatory arachnids, found on all continents except Antarctica. They occupy a range of habitats, including forests, grasslands, mountains and deserts. Their varied diets include arthropods, lizards and even small rodents.

ABOUT AMERICANS FOR BEN-GURION UNIVERSITY

By supporting a world-class academic institution that not only nurtures the Negev, but also shares its expertise locally and globally, Americans for Ben-Gurion University engages a community of Americans who are committed to improving the world. David Ben-Gurion envisioned that Israel’s future would be forged in the Negev. The cutting-edge research carried out at Ben-Gurion University drives that vision by sustaining a desert Silicon Valley, with the “Stanford of the Negev” at its center. The Americans for Ben-Gurion University movement supports a 21st century unifying vision for Israel by rallying around BGU’s remarkable work and role as an apolitical beacon of light in the Negev desert.

About Ben-Gurion University of the Negev

Ben-Gurion University of the Negev embraces the endless potential we have as individuals and as a commonality to adapt and to thrive in changing environments. Inspired by our location in the desert, we aim to discover, to create, and to develop solutions to dynamic challenges, to pose questions that have yet to be asked, and to push beyond the boundaries of the commonly accepted and possible.

We are proud to be a central force for inclusion, diversity and innovation in Israel, and we strive to extend the Negev’s potential and our entrepreneurial spirit throughout the world. For example, the multi-disciplinary School for Sustainability and Climate Change at BGU leverages over 50 years of expertise on living and thriving in the desert into scalable solutions for people everywhere.

BGU at a glance:  

20,000 students | 800 senior faculty | 3 campuses | 6 faculties: humanities & social sciences, health sciences, engineering sciences, natural sciences, business & management, and desert research.

 

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