In a comment thread on reddit, Alan explains the effects of being on the business end of a front-page post in one of the largest subreddits (/r/todayilearned).

Large Hadron Collider discovers “pentaquark” particle that was predicted to exist in the 1960s.

Best image of Pluto yet, HD images expected in the coming hours/days.

An earthquake will destroy a sizable portion of the coastal Northwest. The question is when.

Photo: This canister is attached to the New Horizons spacecraft (via reddit.com/r/space).

Photo: Galaxy NGC 6744 has flocculent arms and an elongated core like the Milky Way. No other galaxy we know of more closely resembles our own.

Per Wikipedia, photos of Pluto from New Horizons will xfer at about 1 kbit/s, comparable to a mid-80s dial-up modem.

New photo of Pluto from New Horizons from 3.1 million km away.

Photos: Ruins of the Soviet space shuttle program

Image: A world map that shows only the time zones.

Audio: Why People Do Bad Things; a look at how framing shapes ethical choices.

Video: The Mechanics of the Film Projector

After a hospital error, two pairs of Colombian identical twins were raised as two pairs of fraternal twins.

Video: Sharks Discovered Inside Underwater Volcano

Pluto becoming clearer as New Horizons approaches.