it’s 10 pm—do you know where your children are: the history of American public service announcements

symbol and cipher: Louise Borinski explores how abstract shapes acquire meaning
audience-share: a gadget that helped marketers gauge what engaged radio-listeners in the 1930s
kannen: radical Japanese concept art of the late 1960s—see also
nattåg: Sweden plans to revitalise overnight train services in a push for more environmentally friendly travel options
less is more: the life and work of Maria Ludwig Mies van der Rohe in graphic novel format