FDA approves first artificial iris

(HealthDay)—The first artificial iris has been approved by the U.S. Food and Drug Administration for patients with aniridia.

Satellite row tests UK's post-Brexit security plans

Britain outlined its proposals Wednesday for close security cooperation with the EU after Brexit, but these risk being undermined by the bloc's refusal to share sensitive data on the Galileo satellite project.

Laia Andreu-Hayles explores tropical forests in a warming world

Laia Andreu-Hayles is a tree-ring scientist and Lamont Associate Research Professor at Lamont-Doherty Earth Observatory who uses the data contained in tree rings to reconstruct past climate conditions and study the interactions ...

Why noise can enhance sensitivity to weak signals

A team of Japanese researchers has discovered a new mechanism to explain stochastic resonance, in which sensitivity to weak signals is enhanced by noise. The finding is expected to help electronic devices become smaller and ...

Understanding gravity: The nanoscale search for extra dimensions

Often, practical limits control the experimental measurements that can be made, governing the difference between what we expect to be true based on the most likely predictions of models and calculations, and findings that ...

Climate sensitivity—reducing the uncertainty of uncertainty

Global warming is a reality – but just how bad will it be? A study published in January 2018 claims to halve the uncertainty around how much our planet's temperature will change in response to rising carbon dioxide (CO2) ...

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