New particulate traps are fairly effective at filtering out most of the soot.

FORBES: Clearing the Air

And some policies, such as a massive increase in state-funded child-care for the working poor, will raise costs while introducing new benefits traps.

ECONOMIST: From Beveridge to Blair

"Daylight, " which runs on Epic Games' new Unreal Engine 4 game engine, traps players inside a haunted insane asylum.

CNN: 5 video games to watch from GDC 2013

In addition to making antihydrogen easier to study, the new cooling technique could make it last longer in traps.

MSN: Coldest antimatter yet is goal of new technique

Since GMO companies push farmers to purchase new GM products every year, "This traps farmers into using expensive seeds and pesticides from a single company, " says Ma.

FORBES: Rice War

The reality, however, is that New York's rats are highly stressed nocturnal creatures, besieged by traps, poison and sharp-shooters, struggling to stay on top of their own social hierarchy.

ECONOMIST: Rats

In New Zealand the brush tail possum is thought to harbour bovine TB, and is killed using poison and traps.

BBC: Q&A: The badger cull