Primeiros robôs ‘vivos’ são capazes de se reproduzir, dizem cientistas

ROBôS

[{"selector":"#anim-fee20252-ed2e-42ab-9b62-a97fc4ca63af","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-782104d1-2cfd-452a-8554-9ad5ec519cf1","keyframes":{"transform":["translate3d(-108.92857%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-abea551d-fcf9-41ab-b22e-2713368e08b9","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-16e06791-814a-428e-aa54-ea207bc84742","keyframes":{"transform":["translate3d(139.99999%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bbbfe7f0-6483-438b-ac00-d628e6b51533 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(16.869611684154282%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.14,.34,.47,.9)","fill":"forwards"}] Douglas Blackinston e Sam Kriegman Primeiros robôs ‘vivos’ são capazes de se reproduzir, dizem cientistas

[{"selector":"#anim-bd83eddc-a686-4491-96ab-5d0eaf23b7aa","keyframes":{"transform":["translate3d(-97.5%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3b601d95-f859-41ab-99cb-8ccfc46f0c5c","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6898d8f6-dfc4-48f2-a4ac-f3903c7fc54c","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Cientistas norte-americanos que criaram os primeiros robôs ‘vivos’ dizem que as formas de vida, conhecidas como xenobots, agora podem se reproduzir – e de uma forma não vista em plantas e animais Douglas Blackinston e Sam Kriegman

[{"selector":"#anim-f77d9b0e-df53-458f-9579-ccf79442e720","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-153990b0-348b-453a-ae17-e49324eb9b7e","keyframes":{"transform":["translate3d(-95.99156%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Formados a partir das células-tronco de uma espécie de rã africana (Xenopus laevis), da qual leva o nome, os xenobots têm menos de um milímetro de largura Douglas Blackinston e Sam Kriegman

[{"selector":"#anim-22d21aee-2f52-4973-ae98-45cb90ca38b4","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-6afa38b9-a737-472e-b0e9-fc7f8b4b5681","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-0620c3e2-35e0-4f41-8201-9ef28b898b11","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-57f83ddb-6319-49aa-b087-ddf1a84f6f00","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-1fdcc459-66e1-4faf-bb0f-cff55958729b [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(50.00000008735497%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] As pequenas bolhas foram reveladas pela primeira vez em 2020, depois que experimentos mostraram que elas podiam se mover, trabalhar juntas em grupos e se autocurar Douglas Blackinston e Sam Kriegman

[{"selector":"#anim-5d10a815-148a-4d92-9ae1-658f14dbc423","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e587f565-63c2-457f-a5ba-0cc74a373b14","keyframes":{"transform":["translate3d(95.38152%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dea7e772-c7d5-4798-973f-659ae94b6fa6","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4f8645bf-8133-49c2-909c-644c409a3b1f","keyframes":{"transform":["translate3d(-96.85715%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a7155854-8a89-4ffd-aea4-679610f928b7","keyframes":{"transform":["translate3d(-88.78718%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-463b6666-373a-4800-be03-9c6190a61987","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fbb8fcd9-78a8-4d8d-a255-9d707798fdda","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Agora, os cientistas afirmam que descobriram uma forma inteiramente nova de reprodução biológica, diferente de qualquer animal ou planta conhecida pela ciência Douglas Blackinston e Sam Kriegman

[{"selector":"#anim-0e1f5a38-bd78-4e63-9b2e-ee7b3b601efa","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9e10beeb-0815-4430-a0d6-34fa8089f81e","keyframes":{"transform":["translate3d(0px, 98.11636%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-79af3507-fc28-4085-b75b-66ec8a7dc0c7","keyframes":[{"transform":"rotate(-540deg) scale(0.1)","opacity":0},{"transform":"none","opacity":1}],"delay":0,"duration":1000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both","iterations":1}] “Os sapos se reproduzem de uma certa maneira, mas quando você libera [as células] do resto do embrião e dá a elas a chance de descobrir como é estar em um novo ambiente, elas também descobrem, aparentemente, uma nova maneira de se reproduzir” disse Michael Levin, professor de biologia e diretor do Centro de Descobertas Allen, da Tufts University Douglas Blackinston e Sam Kriegman

[{"selector":"#anim-76f2884f-a044-43d8-bafc-7f7cf079cfaf","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d1578f98-7fb2-4466-a93e-d6c7e6cd93e2","keyframes":{"transform":["translate3d(94.37751%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4edbce52-17f7-43e3-93f6-3fc277712e72","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-10d1446e-977a-4839-aa08-5168eb8d9b0e","keyframes":{"transform":["translate3d(-91.61676%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Para fazer os xenobots, os pesquisadores retiraram células-tronco vivas de embriões de rã e deixaram-nas incubadas. Não há manipulação de genes envolvida Douglas Blackinston e Sam Kriegman

ROBôS

Leia mais no site da CNN Brasil