The Race For a 100 MPG Auto

Gas prices are up, fuel econ­o­my is down—but the bright­est minds in auto tech­nol­o­gy are about to do some­thing about it. The Aptera con­cept car uses a low-weight, low-drag approach to increas­ing fuel econ­o­my. The goal: 330 mpg for under $20,000 with­in two years.

Neutron Star Clocked at Mind-Boggling Velocity

A neu­tron star has been clocked trav­el­ling at more than 1500 kilo­me­tres per sec­ond. It joins the ranks of oth­er fast mov­ing neu­tron stars, deep­en­ing the puz­zle over how these dense stel­lar corpses are accel­er­at­ed to such aston­ish­ing velocities.

MIT’s Energy Manhattan Project

MIT is spear­head­ing an ambi­tious effort to devel­op a raft of green tech­nolo­gies, includ­ing lap­top-pow­ered hybrids and plas­ma-charged tur­bo engines.

Debate Rages Over Animal-Human Chimeras

Should med­ical researchers be allowed to cre­ate human-ani­mal hybrids to inves­ti­gate dis­ease? No, says an ethics think tank that advis­es the Scot­tish Par­lia­ment. Yes, says Ian Wilmut of the Uni­ver­si­ty of Edin­burgh, cre­ator of Dol­ly the cloned sheep.