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Trump Action on Clean Power Plan threatens air quality, health, and economic benefits
'If we overturn the Clean Power Plan we will forfeit important health benefits and undermine the longstanding American tradition of energy innovation and clean air progress, at a time when we need it most.' (...)
28 March 2017 | 6:00 am

[Report] A macrophage relay for long-distance signaling during postembryonic tissue remodeling
Macrophages have diverse functions in immunity as well as in development and homeostasis. We identified a function for these cells in long-distance communication during postembryonic tissue remodeling. Ablation of macrophages in zebrafish prevented melanophores from coalescing into adult pigment stripes. Melanophore organization depends on signals provided by cells of the yellow xanthophore lineage via airinemes, long filamentous projections with vesicles at their tips. We show that airineme extension from originating cells, as well as vesicle deposition on target cells, depend on interactions with macrophages. These findings identify a role for macrophages in relaying long-range signals between nonimmune cells. This signaling modality may function in the remodeling and homeostasis of other tissues during normal development and disease. Authors: Dae Seok Eom, David M. Parichy (...)
24 March 2017 | 1:00 am

New population of rare tigers found in eastern Thailand
Camera traps caught images of the critically endangered Indochinese tigers in eastern Thailand. (...)
28 March 2017 | 7:45 pm

Hello world!
Welcome to WordPress. This is your first post. Edit or delete it, then start writing! (...)
13 March 2017 | 3:30 pm

A B12-dependent radical SAM enzyme involved in oxetanocin A biosynthesis
The biosynthesis of oxetanocin A involves OxsB, a B12-dependent S-adenosylmethionine radical enzyme, which catalyses an unusual ring contraction of a 2′-deoxyadenosine phosphate. (...)
27 March 2017 | 2:00 am

Politics: Listen to accused Turkish scientists
In my view, you misrepresent aspects of the problems confronting scientists in Turkey (Nature542, 286–288;10.1038/542286a2017). As a Turkish scientist working abroad, I contend that Turkey's government is using its former political ally, the Gülen movement, as (...)
22 March 2017 | 1:00 am

Australia scientists uncover dinosaur footprint that may be world's largest
SYDNEY (Reuters) - Scientists have found what could be the world's largest dinosaur footprint - measuring nearly 1.7 metres (5.6 ft) - on a remote part of Australia's northwestern coastline.
28 March 2017 | 5:15 pm

The proteins that domesticated our genomes

EPFL scientists have carried out a genomic and evolutionary study of a large and enigmatic family of human proteins, to demonstrate that it is responsible for harnessing the millions of transposable elements in the human genome. The work reveals the largely species-specific gene-regulatory networks that impact all of human biology, in both health and disease.

8 March 2017 | 8:29 pm

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