Tus neeg siv ntawm cov social network luam tawm ib qho snapshot uas nws tau ntes nws chav ua noj hauv ultraviolet teeb. Ntawm ib sab tes, daim duab zoo nkauj txawv txawv, ntawm lwm qhov - ua rau nws xav.
Qhov tseeb yog tias nrog lub teeb ib txwm, chav ua noj zoo li huv si, tab sis UV teeb pom kev ua haujlwm tiag tiag.
Tus kws sau ntawv tau sau tseg tias nws nyiam chav ua noj txog 8 xyoo. Tom qab nws kawm, lub teeb ci ntsa iab nws sim ntxuav cov pa phem, tab sis nws tsis tau tawm los. Txawm hais tias nws tsis tau tshwj xeeb rau nws. Nws tsuas xav paub seb puas muaj ib tus lej ntawm ib txwm muaj.
Nws kuj tau qhia tias nws tau ua li cas daim duab no. Nws muab lub koob yees duab tso rau ntawm lub rooj thiab muab ib qho kev tshaj tawm rau 15 feeb, tom qab nws pib tsav lub teeb nyem nrog rau lub teeb UV ntawm chav ua noj.
Tus kws sau ntawv tau sau tseg tias lub nthwv dej yuav tsum tau 365 nm, txwv tsis pub xws li ib qho kev sib piv ntawm daim duab yuav tsis ua haujlwm.