Science Links, 10/2/14

Twitter funds MIT Laboratory for Social Machines.

Paul Allen eyes using Sierra Nevada Corp's Dream Chaser to ferry passengers for the space startup Stratolaunch Systems.

A Danish company is building a $335m seawall around New York City.

 Where did the earliest inhabitants of South America go? Everywhere.

Scientists have identified a rectangular feature on the Moon that appears to be the remains of old rift valleys. 

The ESA has identified four sites on Mars for a potential rover to land in 2018.

Science 6/27

Unlooted, 1200 year old royal tomb of the Wari civilization found in Peru.

Voyager 1 explores the edge of our solar bubble.

This past week's Planetary Radio features the music of Peter Mayer. Host Mat Kaplan and Planetary Society CEO Bill Nye chat with him.

Shaman? I just like doing drugs with US students.

The neuroscience of ayahuasca.

It'll be in Indy 5

Brazilian scientists find an underground river in the Amazon.

Edited to add: But it's not necessarily a river.