Giant sea scorpions were the underwater titans of prehistoric Australia
Let's turn back time. Before extinction knocked dinosaurs off their pillar, before the "Great Dying" extinction wiped out 95% of all organisms—we had the Paleozoic Era.
Let's turn back time. Before extinction knocked dinosaurs off their pillar, before the "Great Dying" extinction wiped out 95% of all organisms—we had the Paleozoic Era.
Archaeology
Jul 03, 2020
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401
Most scorpions glow a blue-green color when illuminated by ultraviolet light or natural moonlight. Scientists aren't sure how this fluorescence benefits the creatures, but some have speculated that it acts as a sunscreen, ...
Biochemistry
Mar 04, 2020
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13
Scientists studying fossils collected 35 years ago have identified them as the oldest-known scorpion species, a prehistoric animal from about 437 million years ago. The researchers found that the animal likely had the capacity ...
Archaeology
Jan 16, 2020
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770
The eyes of the extinct sea scorpion Jaekelopterus rhenaniae have the same structure as the eyes of modern horseshoe crabs (Limulidae). The compound eyes of the giant predator exhibited lens cylinders and concentrically organized ...
Archaeology
Dec 03, 2019
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39
Agitoxin-2 (AgTx2) from scorpion venom is a potent blocker of K+ channels. Researchers have now observed the binding dynamics of AgTx2 to the KcsA channel using high-speed atomic force microscopy. Single-molecule kinetic ...
Biochemistry
Jul 03, 2019
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0
A scorpion native to Eastern Mexico may have more than just toxin in its sting. Researchers at Stanford University and in Mexico have found that the venom also contains two color-changing compounds that could help fight bacterial ...
Biochemistry
Jun 11, 2019
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763
Replenishing venom takes time and energy—so it pays to be stingy with stings.
Plants & Animals
Jun 10, 2019
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1114
I live in São Paulo, the biggest city in Brazil, home to some 12 million people – 20 million if you count the outskirts, which have been sprawling for three decades.
Plants & Animals
Feb 11, 2019
1
15
The Peptides and Proteins lab at the Institute for Research in Biomedicine (IRB Barcelona) has published a paper in Chemical Communications describing the use of a peptide derived from chlorotoxin, found in scorpion venom ...
Biochemistry
Nov 15, 2018
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9
As a child growing up in Mexico, Carlos Santibanez-Lopez feared the scorpions that would often decorate the walls and ceilings of his home in search of a warm place with plenty of food.
Plants & Animals
Nov 14, 2018
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111