David G. Ricalde

[David G. Ricalde @david_ricalde]

Madre De Dios, la #Amazonía mejor conservada de #Peru en peligro: van más de 30 años de lucha.
https://t.co/gT7SyEnUP1

[David G. Ricalde @david_ricalde]

Madre De Dios, la #Amazonía mejor conservada de #Peru en peligro: van más de 30 años de lucha.
https://t.co/gT7SyEnUP1

[David G. Ricalde @david_ricalde]

@bbcscitech ---Flamingos

[David G. Ricalde @david_ricalde]

@guardianscience

[David G. Ricalde @david_ricalde]

@nytimesscience

[David G. Ricalde @david_ricalde]

Disputed finds put humans in South America 22,000 years ago | Humans | Science News http://t.co/oc7mRnaBHU via @sharethis

[David G. Ricalde @david_ricalde]

Which are the most competitive economies in travel & tourism? Read the #WEF Travel & Tourism Competitiveness Report http://t.co/Rjy3jKhlvN

[David G. Ricalde @david_ricalde]

Check out ""Making the invisible visible" - the ISS Image Frontier" by @christophmalin on Vimeo http://t.co/vY3BVzXtfu

[David G. Ricalde @david_ricalde]

Save Africa’s elephants. Ban the Thai ivory trade! http://t.co/RmL7RLUkG2 @WWF #killthetrade

[David G. Ricalde @david_ricalde]

Jared Diamond talk http://t.co/zMiocuGx

[David G. Ricalde @david_ricalde]

I'm watching #Mankind on @History. Tweet about the show to unlock exclusive video at: http://t.co/g0peI3Rs

[David G. Ricalde @david_ricalde]

Tristram Stuart: The global food waste scandal http://t.co/9Mg0YZBW

[David G. Ricalde @david_ricalde]

Daily Infographic: A Family Tree Of Every Bird On Earth http://t.co/yPWBuEQv

[David G. Ricalde @david_ricalde]

Video: Not Just Parroting Back: Alex the Parrot Knew His Numbers - ScienceNOW http://t.co/BIAu50t4

[David G. Ricalde @david_ricalde]

Wrens may have salmon to thank for breeding boost - life - 04 October 2012 - New Scientist http://t.co/ZjvlxGsT

[Harvard T.H. Chan School of Public Health @HarvardChanSPH]

Three Harvard studies link sugary drinks to obesity. @BostonDotCom #publichealth http://t.co/TeYybO7d

[Scientific American @sciam]

Plants' Carbon-Sinking Capacity Is Much Lower Than Thought http://t.co/CsCO9GHv

[National Geographic @NatGeo]

What's it like to discover amphibians in one of the world's least known areas? http://t.co/WhXsifez

[David G. Ricalde @david_ricalde]

Europeans did not inherit pale skins from Neanderthals - life - 26 September 2012 - New Scientist http://t.co/yAHLcUbe

[David G. Ricalde @david_ricalde]

Malaria-carrying mosquitoes slip through the net - life - 26 September 2012 - New Scientist http://t.co/AxK2CXt7