And scientists working in the Canary Islands have found that those seeds often survive being ``eaten twice'', going on to germinate.
133678
Seeds survive being eaten twice
99961
Global warming leading to expansion of ``underwater deserts''
3741
Government distributed wheat seeds and fertilizers amongst the 2000 affected farmers of Orakzai Agency
10219
Sea cucumber income can double for Pacific island nations
175441
Ocean opening up new opportunities
127593
Humans overloading ecosystems with nitrogen
167807
Researchers find a new way to tackle colon cancer
149725
Researchers find way to grow blood vessels, capillaries
106379
Woman conceives twice in two weeks
130332
More than 6,000 acres of habitat protected
54656
``An unseen force is at work bringing new life''
14583
Researchers grow beating heart in jar
100553
They that go down to the sea in ships
38979
Plant and seed exchange planned
40556
Obese children twice as likely to die young
74890
Scientists trace nanoparticles taken up from soils by crop plants
157968
Development of hybrid seeds key to increasing crop production: