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Newcastle University: Engineers and biologists team up to reveal how seals evolved to swim

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New research combines cutting-edge engineering with animal behaviour to explain the origins of efficient swimming in Nature’s underwater acrobats: Seals and Sea Lions.
Seals and sea lions are fast swimming ocean predators that use their flippers to literally fly through the water. But not all seals are the same: some swim with their front flippers while others propel themselves with their back feet.
In Australia, there are fur seals and sea lions that have wing-like front flippers specialised for swimming, while in the Northern Hemisphere, grey and harbor seals have stubby, clawed paws and swim with their feet. But the reasons why these two different ways of swimming evolved has perplexed biologists for generations. Is one style better than the other? ....

South Australia , Alistair Evans , Shibo Wang , David Hocking , Ben Burville , Fiona Anderson , Sea Lions , Newcastle University , Newcastle University Dr Ben Burville , Monash University , Monash University School Of Biological Sciences , Aerospace Engineering , Northern Hemisphere , Monash University Led , Current Biology , Monash University School , Biological Sciences , Fluid Dynamics , Taronga Zoo , Associate Professor Alistair Evans , தெற்கு ஆஸ்திரேலியா , அலிஸ்டர் எவன்ஸ் , ஷிபோ வாங் , டேவிட் ஹாக்கிங் , பியோனா ஆண்டர்சன் , கடல் சிங்கங்கள் ,

Engineers and biologists reveal how seals evolved to swim

Monash University
Video: vision of seals swimming in zoos with explanations
Graphic:seal species and their flippers
Graphic: Seal flipper anatomy
Image: Leopard seal flipper and 3D models
New research combines cutting-edge engineering with animal behaviour to explain the origins of efficient swimming in Nature’s underwater acrobats: Seals and Sea Lions.
Seals and sea lions are fast swimming ocean predators that use their flippers to literally fly through the water. But not all seals are the same: some swim with their front flippers while others propel themselves with their back feet.
In Australia, we have fur seals and sea lions that have wing-like front flippers specialised for swimming, while in the Northern Hemisphere, grey and harbor seals have stubby, clawed paws and swim with their feet. But the reasons why these two different ways of swimming evolved has perplexed biologists for generations. Is one style better than the other? ....

South Australia , Alistair Evans , Shibo Wang , David Hocking , Sea Lions , Monash University , Monash University School Of Biological Sciences , Aerospace Engineering , Northern Hemisphere , Monash University Led , Current Biology , Monash University School , Biological Sciences , Fluid Dynamics , Taronga Zoo , Associate Professor Alistair Evans , தெற்கு ஆஸ்திரேலியா , அலிஸ்டர் எவன்ஸ் , ஷிபோ வாங் , டேவிட் ஹாக்கிங் , கடல் சிங்கங்கள் , மோனாஷ் பல்கலைக்கழகம் , மோனாஷ் பல்கலைக்கழகம் பள்ளி ஆஃப் உயிரியல் அறிவியல் , விண்வெளி பொறியியல் , வடக்கு அரைக்கோளம் , மோனாஷ் பல்கலைக்கழகம் வழிநடத்தியது ,

Male Fertility of Species may be the Chink in Armor Against Climate Change

Male Fertility of Species may be the Chink in Armor Against Climate Change
Written by AZoCleantechApr 21 2021
A new study reports that male fertility might prove to be a weakness in the fight against climate change. Its suggestion of male fertility loss at high temperatures implies that several species particularly those limited to the tropics may be highly susceptible to climate change.
Image Credit: Monash University.
Around the world, as temperatures increases, species will experience more and more conditions beyond their tolerance limits, which pose a significant threat to species biodiversity and persistence. Gaining insights into how much warming species can withstand, and which species will be at risk more, is one of the huge challenges for biologists at present. ....

South Australia , Carla Sgr , Belinda Van Heerwaarden , Van Heerwaarden , School Of Biological Sciences , Nature Communications , Monash University , University Of Melbourne , Monash University School Of Biological Sciences , Australian Research Council , Monash University School , Biological Sciences , Discovery Early Career Researcher Award , Professor Carla Sgr , தெற்கு ஆஸ்திரேலியா , பள்ளி ஆஃப் உயிரியல் அறிவியல் , இயற்கை தகவல்தொடர்புகள் , மோனாஷ் பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் மெல்போர்ன் , மோனாஷ் பல்கலைக்கழகம் பள்ளி ஆஃப் உயிரியல் அறிவியல் , ஆஸ்திரேலிய ஆராய்ச்சி சபை , மோனாஷ் பல்கலைக்கழகம் பள்ளி , உயிரியல் அறிவியல் , கண்டுபிடிப்பு ஆரம்ப தொழில் ஆராய்ச்சியாளர் விருது ,

Pharmaceuticals in waterways pose risk to fish

Date Time
Pharmaceuticals in waterways pose risk to fish
Fish populations around the world are at risk due to growing levels of pharmaceutical contamination in waterways, according to an international team of researchers from The University of Western Australia, Monash University, the Swedish University of Agricultural Sciences, and New York University.
The findings, published in Proceeding of the Royal Society B: Biological Sciences, reveal that water pollution by the antidepressant fluoxetine (Prozac) compromises resilience in fish populations by dramatically reducing differences in the behaviour of individuals.
“For fish populations to thrive in the face of environmental change, members of a group need to behave differently from each other.” ....

South Australia , Giovanni Polverino , Bob Wong , School Of Biological Sciences , Swedish University Of Agricultural Sciences , Monash University , Monash University School Of Biological Sciences , York University , Proceeding Of The Royal Society , University Of Western Australia , Western Australia , Swedish University , Agricultural Sciences , New York , Biological Sciences , Forrest Postdoctoral Fellow , Professor Bob Wong , New York University , Environmental Change , Water Pollution , Drinking Water , Royal Society , தெற்கு ஆஸ்திரேலியா , பாப் வோங் , பள்ளி ஆஃப் உயிரியல் அறிவியல் , மோனாஷ் பல்கலைக்கழகம் ,

Research uncovers strategy to revert antibiotic-resistance in dangerous superbugs

Research uncovers strategy to revert antibiotic-resistance in dangerous superbugs
Jan 18 2021
A major risk of being hospitalized is catching a bacterial infection. Hospitals, especially areas including intensive care units and surgical wards, are teeming with bacteria, some of which are resistant to antibiotics - they are infamously known as ‘superbugs’. Superbug infections are difficult and expensive to treat, and can often lead to dire consequences for the patient.
Now, new research published today in the prestigious journal Nature Microbiology has discovered how to revert antibiotic-resistance in one of the most dangerous superbugs. The strategy involves the use of bacteriophages (also known as ‘phages’). ....

Jeremy Barr , Fernando Gordillo Altamirano , Gordillo Altamirano , School Of Biological Sciences , Group Leader , Monash University School Of Biological Sciences , Center To Impact , Nature Microbiology , Monash University School , Biological Sciences , Intensive Care , ஜெர்மி பார் , பள்ளி ஆஃப் உயிரியல் அறிவியல் , குழு தலைவர் , மோனாஷ் பல்கலைக்கழகம் பள்ளி ஆஃப் உயிரியல் அறிவியல் , மையம் க்கு தாக்கம் , இயற்கை நுண்ணுயிரியல் , மோனாஷ் பல்கலைக்கழகம் பள்ளி , உயிரியல் அறிவியல் , தீவிர பராமரிப்பு ,