Summary List PlacementThe coronavirus can be sneaky: Patients may feel fine one hour, then start gasping for air the next. And while some people feel sick within two days of being infected, COVID-19 symptoms can take up to two weeks to manifest.
So doctors h... More »
An anonymous reader shares a fascinating true-crime story from Pittsburgh. Smithsonian magazine reports:
Like nuclear power plants and sensitive computer networks, the safest rare book collections are protected by what is known as "defense in depth" — a series... More »