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Perplexity is making its AI browser Comet, previously $200 per month as part of Perplexity Max, free for all, with rate limits (Charles Rollet/Business Insider)
https://www.businessinsider.com/perplexity-makes-200-ai-browser-free-to-battle-ai-sl…

Find out how Perplexity wants to fight AI 'slop' with its latest browser
Perplexity's Comet browser is now free as the AI startup fights low-quality content and partners with publishers like CNN and The Washington Post.

JWST-TST DREAMS: Sulfur dioxide in the atmosphere of the Neptune-mass planet HAT-P-26 b from NIRSpec G395H transmission spectroscopy
Am\'elie Gressier, Natasha E. Batalha, Nicholas Wogan, Lili Alderson, Dominic Doud, N\'estor Espinoza, Ryan J. MacDonald, Hannah R. Wakeford, Jeff A. Valenti, Nikole K. Lewis, Sara Seager, Kevin B. Stevenson, Natalie H. Allen, Caleb I. Ca\~nas, Ryan C. Challener, Ana Glidden, Jingcheng Huang, Zifan Lin, Dana R. Louie, Cathal Maguire, Elijah Mullen…

JWST-TST DREAMS: Sulfur dioxide in the atmosphere of the Neptune-mass planet HAT-P-26 b from NIRSpec G395H transmission spectroscopy
We present the James Webb Space Telescope (JWST) transmission spectrum of the exoplanet HAT-P-26 b (18.6 Earth masses, 6.33 Earth radii), based on a single transit observed with the JWST NIRSpec G395H grating. We detect water vapor (ln B = 4.1), carbon dioxide (ln B = 85.6), and sulfur dioxide (ln B = 13.5) with high confidence, along with marginal indications for hydrogen sulfide and carbon monoxide (ln B < 0.5). The detection of SO2 in a warm super-Neptune sized exoplanet (radius about 6 Eart…