Oamenii de știință din cadrul Caltech au descoperit opt specii de viermi care trăiesc în Lacul Mono din California, care este foarte bogat în arsenic, se arată într-un studiu publicat săptămâna aceasta de jurnalul „Current Biology”, citat de CNN.
Lacul Mono este de trei ori mai sărat decât Oceanul Pacific. Până acum, se credea că doar două specii trăiesc acolo.
Fiecare specie de viermi dintre cele opt descoperite de cercetători este unică. Unii dintre aceștia sunt prădători, iar alții sunt paraziți. Unul dintre acești viermi are trei sexe și un „marsupiu”.
Aceste nematode supraviețuiesc pe fundul oceanului sau în tundra Antarticii. Cercetătorii cred că pot învăța de a acești viermi care, din punct e vedere genetic, pot supraviețui în condiții severe.
Noua inovație în biotehnologie poate fi găsită undeva în sălbăticie. Trebuie să protejăm și să ne folosim în mod responsabil de acest mediu.
James Siho Lee, unul dintre autorii studiului
Arsenicul este o toxină, ce se regăsește în scoarța Pământului, poate otrăvi resursele de apă și chiar poate fi fatal celui care îl inghite dacă substanța se găsește în concentrație mare.
foto: CNN
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_f1410c1d6a6b824dee352b8518912edc.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_a7243cca37802d6cd4c3e23ad944da76.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_4af4222442fe10e188cb8af4bfe72d25.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_d58fe1297aa93e77d8e2102a121fc909.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_3d56edd2b3001dd003aeb8363fc62534.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_0c491f402d1f3db96545a36adc3c1434.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/50_027bc5e0884cd5f20401d1f653addb72.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/281_a22b1443b905f56da42292528d1fd6ce.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/153_54a945b7bcc4a42d382684dd041848ec.webp)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/233_5cb06e43a186f695d1c40c1e289e4b5e.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/253_b9e8038ab590462aad9cccb69f0ebf08.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/197_b766093f9bc411b49cee1fc8f5e911af.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/284_863b9ac2f182b25fbd2bca969cbaa01a.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/275_7f0b16ebab2b1809b31ac690110ef3c9.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/274_bddf343460099a541b2bbadcbd896d09.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/274_2b0b0d6a5c157124cf837250547e03ca.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/288_745d5002766da97c45b2f3399408edbb.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/16_056388dbba17e3d66165fff23cb251c9.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/289_8c1e0d84196caec6706fcb94810a203a.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/206_3b95df9806e6d41aaae0be3f8a3015db.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/255_082288d6afe7b45890f976d0f3ac9623.webp)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2019/09/vierme-cu-trei-sexe.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/204_c34be7f2948651005e925f46198f0cc2.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/204_0a3a2d473c1b3c3debcf54988c121712.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/energie-electrica.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ana-alfianu-si-peter-haas.jpg)
:quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/276_04e5246ab8ad78dd6b2419fa96f2056f.png)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/206_1d55975ee6eef9b0cf318f1726ba1426.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/278_2dc662106ae0fd2996003075f7b5dc72.jpeg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/287_8ce43bdb36ce696752bba1db10ab1739.jpeg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/287_4ca2a90a6843f260d687d82e63902556.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/daiana-anghel.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/marian-godina-in-exil.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/172_6248df911a5c642265b899d04e8fdb8d.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/172_cd6ce7149070819a8a9e80b076909123.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/179_3a65ef23db354ac092f7c2c1b42705e9.jpg)
:quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/179_246042b34857f66661de2bdd7c770f01.png)
:quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/03/sorin-grindeanu-foto-facebook-sorin-grindeanu.png)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/grindeanu-bolojan-profimedia.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/eclipsa-de-soare-2026.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/cel-mai-ingust-oras-din-lume-yanjing-china.jpg)
:quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ep3---andreea-nechita.png)
:quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/turn-apa-vanzare-germania.png)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/femeie-spala-vase-chiuveta-bucatarie.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/horoscop-18-aprilie-2026.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/avion-boom-sonic.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ceai-de-dafin.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2015/04/pastele-blajinilor.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/intoleranta-la-lactoza--foto-ilustrativ-shutterstock2490328909-copy.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/statuia-lui-prometeu-baraj-vidraru.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/sofer-roman-tir-spania.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2025/07/ploaie-torentiala-e1776516548941.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2025/07/vaccin-copil.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ilie-bolojan-george-simion-hepta8248545-scaled.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/cel-mai-bun-prieten-shutterstock684415648-copy.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/sorin-grindeanu-ilie-bolojan-shutterstock2672892819-copy.jpg)