Showing 1-10 of 1732 results

Disappearing Seagrass Protects Against Pathogens

February 23, 2017

 Disappearing Seagrass Protects Against Pathogens, Even Climate Change, Scientists Find  Every continent save Antarctica is ringed by vast stretches of seagrass, underwater prairies that together cover an area roughly equal …

Racinaea M.A. Spencer & L.B. Sm.

February 16, 2017

 Racinaea M.A. Spencer & L.B. Sm. Phytologia 74: 152 (1993),  see Phytotaxa 279(1): 001-097. 2016  Three species dyeriana, hamaleana and venusta have been taken from Tillandsia and put into Racinaea. 

A Mystery of Hiding Orchids, Solved

February 16, 2017

A Mystery of Hiding Orchids, Solved Smithsonian scientists have discovered what triggers the rare small-whorled pogonia to awaken from dormancy One of the rarest orchids east of the Mississippi, the …

Want to Be a Space Archaeologist?

February 12, 2017

Want to Be a Space Archaeologist? Here’s Your Chance  Liz Stinson    Usually it takes years of study to become an archaeologist—four years of reading books and a few more learning …

Caos urbano

February 12, 2017

Rio cresce sem freio e estrutura O crescimento das cidades engole, por ano, 32km² de áreas verdes na Região Metropolitana, ou oito Copacabanas