Asking questions about the Zika virus at this point is critical.
Ultimately the world's leaders need to be willing to challenge the status quo and tackle the common challenges of limited capacity, corruption, lack of accountability, and elite capture.
Yes, their teeth are sharp. Yes, they enjoy their meaty snacks. But the species of piranha discussed here are not the type to be obtained by dipping cow entrails into the water and then flinging a dozen fish to shore.
The rapid spread of Zika virus through the Americas, together with the association of infection with microcephaly and Guillain-Barré syndrome, have propelled this previously ignored virus into the limelight. So what is this virus and where did it come from?
Zika virus (Zv) infects people via daytime mosquitoes carrying it, and rarely via sex with infected partners. Mosquitoes can bite infected people and then bite others, transmitting Zv to new people.
The WHO appears to be setting the tone now, describing the situation as cause for concern, but not alarm. To be sure, it is dealing with a situation in which there is no known causal link between microcephaly and the Zika virus.
During a recent visit to Porto Alegre, my hometown in Brazil, I went to the supermarket for groceries. As my turn at the checkout approached my phon...
The Zika virus has been in circulation in Africa for some time, but in the last two years it made a decisive crossing into South America. In any event, in this previously unexposed population it is producing a particularly horrifying havoc.
Amidst all the beauty and sophistication of Carnival, "Globeleza" insists on representing black women as mere sex objects.
Consider two people circumnavigating the globe at the equator from the same starting point but moving in opposite directions; the two points furthest apart converge at the end where the journey began; so too here with anti-science zealotry on left and right: They merge together in a bond of extremism. Nowhere can this circle of delusion be seen better than with the emergence of the Zika virus, a mosquito-borne disease that can cause devastating brain damage in newborns.
Save and regrow tropical forests -- says an expert, as nations continue to curb carbon emissions.
Two years on, we've seen the beginnings of what could be that revolution: The commitments made in the Wilmar policy have become the new benchmark for responsible commodity agriculture, and have been adopted by major companies.
Deforestation is one of the fastest ways that environments are changing dramatically, while climate change is creating vast fast changes on a global scale.
The American primary system for the nomination of presidential and congressional candidates, a system never mentioned in the constitution, has allowed populist anger to be exploited into a veto on foreign policy. Primaries, as they have evolved with the assistance of social media, have become an exercise that grants extraordinary electoral power to the dissatisfied and to the extremes.
The state of Oregon has offered us nearly two weeks of a 21st century governing challenge. One that has demonstrated a durable, resilient democracy among American citizens.
One more reason to save forests: The David Bowie Hunter, a spider newly discovered in the Malaysian highlands in 2015. Forests house fascinating forms of life.