Veronique Greenwood
Freelance Writer at Freelance
Odds and ends, bric-a-brac, scientific paraphernalia. Writer for The Atlantic, The New York Times, BBC Future, and others.
Articles
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1 week ago |
quantamagazine.org | Ariel Bleicher |Yasemin Saplakoglu |Veronique Greenwood |Viviane Callier
Like many proud parents, David Ginty has decorated his office with pictures of his genetic creations. There’s the prickly one sporting a spiked collar and the wannabe cowboy twirling a lasso. There’s the dramatic one, always reacting to the slightest provocation; the observant one that notices every detail; the golden child Ginty loves to boast about. “They’re like a family,” he said.
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1 week ago |
es.wired.com | Veronique Greenwood
Este artículo se publicó originalmente en Quanta Magazine. El alga verde procariota Prochlorococcus es una especie de cianobacteria marina y es extremadamente pequeña. Si pusiéramos en fila 1,000 de ellas, tendrían aproximadamente el grosor de una uña del pulgar humano. Los océanos están inundados de Prochlorococcus, el organismo fotosintético más abundante de la Tierra, que produce entre un 10 % y un 20 % del oxígeno de la atmósfera.
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2 weeks ago |
wired.jp | Veronique Greenwood
原核緑藻のプロクロロコッカスは海洋性シアノバクテリアの一種で、極めて小さい。およそ1,000個を並べてようやくヒトの親指の爪の厚さほどになるくらいだ。海はこのプロクロロコッカスで溢れ返っている──そう言えるほど、地球上に最も大量に存在する光合成生物であり、大気中の酸素の実に10～20％をつくり出している。つまり、地球上の生命は、ざっと3オクティリオン（3x10^27）の微小な細胞一つひとつがたゆまず働き続けることによって維持されているということだ。 生物学者はかつて、こういった生物をとてつもなく広い海を漂う孤独な漂流生物だと考えていた。だが、プロクロロコッカスの個体群は、わたしたちが想像する以上に密接につながり合っているのかもしれない。遠く離れていても情報を交換し、しかも海洋をその情報と栄養素で満たしているだけではなく、個々の細胞の孤立した内部空間だと考えられていた部分が、ほかの細胞の内部とつながり合っている可能性があるのだ。...
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4 weeks ago |
g1.globo.com | Veronique Greenwood
Passar a comer menos carne é uma das formas mais simples de reduzir sua pegada de carbono. Pesquisadores calculam que, se todas as pessoas do Reino Unido adotassem uma dieta de baixo teor de carne, com menos de 50 g por dia (o equivalente a uma linguiça de Cumberland), a economia de carbono seria equivalente a tirar 8 milhões de carros das ruas para sempre. Dados do governo britânico demonstram que o consumo de carne está caindo.
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4 weeks ago |
quantamagazine.org | Veronique Greenwood
Encased in the skull, perched atop the spine, the brain has a carefully managed existence. It receives only certain nutrients, filtered through the blood-brain barrier; an elaborate system of protective membranes surrounds it. That privileged space contains a mystery. For more than a century, scientists have wondered: If it’s so hard for anything to get into the brain, how does waste get out?
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