Toxic PCBs linger in schools; EPA, lawmakers fail to act

At first, teachers at Sky Valley Education Center simply evacuated students and used fans to clear the air when the fluorescent lights caught fire or smoked with noxious fumes. When black oil dripped onto desks and floors, ...

Stowaway species threaten biodiversity

In the early 1980s, the North American comb jellyfish quit its Atlantic home, hid away in the belly of a cargo ship and headed for the Black Sea.

Towards better understanding of railway ballast

SNCF engineers have been using mathematical models for many years to simulate the dynamic behavior of railways. These models have not been able to take into account large portions of the track have been extremely limited ...

NASA-built nanosatellite launch adapter system ready for flight

(Phys.org) —Nanosatellites now have their own mass transit to catch rides to space and perform experiments in microgravity. A new NASA-designed and developed satellite deployer, dubbed the Nano Launch Adapter System (NLAS), ...

Robots take over inspection of ballast tanks on ships

A new robot for inspecting ballast water tanks on board ships is being developed by a Dutch-German partnership including the University of Twente. The robot is able to move independently along rails built into the tanks. ...

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