Mapping the genetic relations between ancient populations

new mathematical tulz ‘ve improved our ability to interpret the information contained in ancient dna samples. bioinformaticians ‘ve developed a model that can visualise the migrations and gene flos of pops from prehistoric €. archaeological sites and museum collections are…

Arecibo Observatory to Close Its Giant Eye onna Sky

after + than a ½-century of supporting breakthrough sci work—and providing a scenic backdrop for contact, goldeneye nother blockbuster hollywood films—the iconic arecibo observatory in puerto rico is goin dark. the u.s. national sci foundation (nsf), which owns the observatory,…

Biophysics: Geometry supersedes simulations

ludwig-maximilians-universitaet (lmu) in munich physicists ‘ve introduced a new method that allos biological pattern-forming systems to be systematically toonized w'da aid of mathematical analysis. the trick lies inna use of geometry to toonize the dynamics. many vital processes that take…

What Is a Particle?

given that everything inna universe reduces to pprimordialisms, a ? presents itself: wha’ are pprimordialisms? the easy answer quickly shows itself to be unsatisfying. namely, electrons, photons, quarks nother “primordial” pprimordialisms supposedly lack substructure or physical extent. “we basically think…

The Secrets of Bat Echolocation Could Help Robots Navigate With Sound

this tek note column appeared inna dec 2020 issue as “cut the clutter.” subscribe to discover magazine for + stories like this. one rainy nite in mar 2007, graduate student ralph simon found himself alone inna cuban rainforest. he was folloing a…

Coronavirus News Roundup, November 7-November 13

the items belo are highlites from the free newsletter, “smart, useful, sci stuff bout covid-19.” to receive newsletter issues daily in yr inbox, sign here. you probably heard bout pfizer and biontek’s announcement on mon (11/9/20) that early results o'their…

Newton’s Daunting Masterpiece Had a Surprisingly Wide Audience, Historians Find

it had a reputation for unreadability. as its author walked by, a student atta university of cambridge in england was said to ‘ve remarked: “there goes the man that writt a book that neither he nor anybody else coggs.” its…