News tagged with scientific knowledge

The ethics of resurrecting extinct species

(Phys.org) —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.

Apr 08, 2013
4.2 / 5 (12) 25 | with audio podcast

Laboratory astrophysics

(PhysOrg.com) -- The term "laboratory astrophysics" might sound like an oxymoron; after all, how can equipment in a small room possibly simulate cosmic effects seen in the vastness of space. But in fact, much ...

Apr 02, 2012
5 / 5 (1) 0

The biodiversity crisis: Worse than climate change

Biodiversity is declining rapidly throughout the world. The challenges of conserving the world's species are perhaps even larger than mitigating the negative effects of global climate change. Dealing with the biodiversity ...

Jan 19, 2012
5 / 5 (4) 2

Dams -- what goes up must come down, and then what?

Time can take its toll on a dam. As dams age, they are more costly to repair and the risk of a catastrophic dam break increases--putting property and lives at risk. But, removing them can mean big changes to the community, ...

Nov 07, 2011
3 / 5 (2) 0