Adafruit will not be shipping orders Thanksgiving Day, Thursday November 22, 2018. Expedited orders placed after 11am ET Wednesday November 21 will go out Friday November 23.
0

A 7000 Year Old Tooth and the Sequence of a Virus

Via The Atlantic

Seven thousand years ago, in a valley that is today central Germany, a young man laid down to die. He was 25 or 30, and a farmer most likely. It is not known why he died young. But powerful genetic tools have now pulled out a tantalizing clue: the fragmented DNA of a virus that infected his liver all those millennia ago.

It is the oldest virus ever directly sequenced, opening up a new window onto prehistory. For the past decade or so, ancient human DNA from millennia-old teeth and bones has been revolutionizing the study of the past. More recently, DNA from ancient bacteria—such as leprosy and plague—in those same teeth and bones has done the same for the study of past epidemics. Viruses were always the next logical step. But their genomes are small and sometimes structured in a way that does not hold up well over time.

Until this week, no one had directly sequenced a virus more than a few hundred years old. And now—as a testament to how quickly the field of ancient DNA is moving—not one but two separate research groups report finding hepatitis B viruses in teeth several millennia old in Eurasia.

Read more!


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 8,700+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython – Python on Microcontrollers is here!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/


Maker Business — Spotlight on Makeblock, one of the latest companies to find success in the STEAM market

Wearables — The press of a button

Electronics — Avoid serial confusion!

Biohacking — BDNF a Biohackers Best Friend

Python for Microcontrollers — Python powers costumes, and community @circuitpython @micropython @ThePSF #Python

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



No Comments

No comments yet.

Sorry, the comment form is closed at this time.