Matt Taylor, who's a great scientist and seems to also be a pretty cool dude, gave a teary, heartfelt apology for his choice of attire on the day of Rosetta's probe landing. "I made a big mistake, and I offended many people," Taylor said at Friday's media briefing, his voice trembling, "and I'm very sorry about this." With that, the briefing moved onto the science (as it should -- Philae's days are numbered, and we want to find out as much as we can from the little probe that could). Taylor seemed to have trouble speaking for a few minutes,...