A novel invention distinguish in a study bring out in the journalCurrent Biologyhas formulate a method acting for compile balmy - incarnate deep - ocean jellyfish to void causing unnecessary suffering when studying them . Using “ gentle automatic linguini fingers ” the raw tech has been found to cause importantly less stress to the captured jellies .

Identifying when a jellyfish is in suffering is a complex task . Unlike planetary animals they do n’t call or yowl if they ’re in uncomfortableness , and , so far as we know , they unfortunately don’tuse their tentacle to show themselves . So how do you measure out the felicity of jellies ?

" Imagine you ’re sit down very happily at your desk and I take a measurement of what genes are dynamic , and then I thump you with a claw hand , ” said fourth-year generator David Gruber , professor of biota at Baruch College , City University of New York , in astatement . “ I ’d then calculate at how otherwise your genes oppose compared to when you were sitting unbothered ; the strength of that difference can act as an index number of your level of accent . "

An psychoanalysis of the cistron expressed by the jellyfish when they were swimming freely , throw by the soft robot finger , or gripped by the more received stiff nipper was acquit out . The team found that jellyfish hold by the ultra - soft noodle - inspired fingers expressed importantly few stress - connect genes than when seize by the traditional submersible grippers . jelly in the clutches of the nipper also began to express “ repair ” genes implying they were previse pain in the neck and forcible damage . In a extremely relatable statement , Gruber explain , “ they directly go into self - repair / focus because – being such a fragile being – being stressed out is quite common for them . "

But the impacts of this study extend far beyond justjellyfish . " We just used them as our sampling organisms , " says Gruber . " Now that we ’ve show this method acting can cause less stress to something as fragile as a jellyfish , it really proves our theory that easy robots in the deep ocean can be effective tools for all manner of delicate interactions . "

The applications for this softly - softly coming also stretch out far beyond shepherd jellyfish , with Gruber hypothesise the same proficiency will see beneficial effect for all manor of gelatinous deep - ocean being . The researcher also go on to describe a issue of planetary undertaking that could stand to benefit from the flexile but tough and lightweight tool , such as   harvest home fragile fruits without cause the tear and bruise associated with grabbers .

The trying condition of ocean environment have historically call for bad equipment and brutal pattern , tearing up oceans floors and killing specimens to be studied at the airfoil . But the shift towards gentle cock and technique is permit researchers to pucker real - fourth dimension data on deep - sea organisms , carrying out medical checkups and even take DNA swabs while make little physical or environmental impact . robot like this noodle - fingered jelly grabber denounce a Modern era in marine biology dedicated to the collecting of ecological data point in an ecologically kinder , less invasive manner .

" By mix soft golem into how we conduct research of the deep sea , we are reshape our visual modality of the future for marine life scientist , " say Gruber . " It ’s our philosophical system that we should be as gentle and careful as possible as we study and come on these new frontiers . "

Ever wondered what ajellyfish stinglooks like under a microscope ?