UV radiation

Artist's impression of material spiraling inward, pulled by the strong gravity of a central supermassive black hole, forming an "accretion disk." Credit: Dimitrios Sakkas (tomakti), Antonis Georgakakis, Angel Ruiz, Maria Chira (NOA)

New observations: The relationship between UV and X-ray radiation in quasars has changed over cosmic time

International research finds that the long-standing correlation between UV and X-ray emissions from quasars is not constant throughout the history of the universe – a hint that the structure of the accretion disk and “corona” around supermassive black holes is not universal
Prof. Carmit Levy and Prof. Yaron Carmi

Researchers from Tel Aviv University have discovered a new cancer mechanism, the activation of which eliminates cancerous tumors

Prof. Carmit Levy: Immunotherapy has revolutionized cancer treatment," explains Prof. Carmi, "but about 50% of patients do not respond to the standard treatment - the PD-L1 protein. We found a new protein Ly6a against which treatment with an antibody
summer pregnancy Illustration: depositphotos.com

Pioneering research: exposure to the sun - increases fertility

Exposure to the sun's UV radiation may have a positive effect on the fertility of women aged 30-40
tanning Illustration: depositphotos.com

Does the tan come in a delay? Say thank you

Revealing the mechanism that delays the appearance of tanning could help create treatments that will protect us from skin cancer