Theyputthefliesandvials, andthen, byshiftingthepositionofthosevials, theteamencouragedthefliestorepeatedlyclimbuptheside, basically a flytreadmill.
Theyalsoused a similartechniquetoinducefliestoflyacrossthevial, andsomeoftheseflieswereengineered.
Toelacksestrogen's Overweeksofexercise, thenormalfliesexperiencedseveralhealthbenefits, including a fastermetabolismandincreasedenduranceofflieswithoutcess.
Forexample, in a relatedstudypublishedthisweekinNatureCommunications, researchersfoundthatthemusclesofmiceengineeredtoeoverexpresscessstringsdidn't weakenanatrophywhenkeptfrommoving.
Robotsmadeoflivetissuesmightbelesssturdy, buttheycouldprobablydo a lotofthethingsothermachinesdo, oreventhingscurrentmachinescan't d'ohbecausethey'retoobigortootoxic, likeperformingtasksinsideandorganism.
So a teamofresearchersfromtheUniversityofVermontdecidedtotrybuildingrobotsoutoflivingcells.
Theybeganfirstwithcomputersimulations.
Theyasked a supercomputertodesigntheoreticalrobotsoutoftwotypesofcellsskincellsbecausethey'retoughandrelativelysturdy, andheartmusclecells, becausetheycontracttocomputer, wasgiveninformationaboutwhatthecellscouldandcouldn't dowhenbasedonthat, itwastoldtodesignrobotsof a few 100 cellssolessthan a millimeterwidethatcouldmovein a singledirection.
Theyhaveanentirecourseoncomputationalbiology, whichexplainshowalgorithmscanhelpwithbiologicalquestions, likehow a particularstringofaminoacidsfoldstomake a proteinandthatisjustoneoftheircourses.
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