Regeneration

May 8th 2022

Ncuti Gatwa Is Doctor Who‘s New Doctor

The actor becomes the first black man to portray the Doctor on TV.

Television James Whitbrook May 8

March 22nd 2022

We’ve Already Had Enough of Hugh Grant as Doctor Who‘s Doctor

As Doctor Who fans get themselves wrapped up in the latest wild casting rumor, a reminder that Hugh Grant's already stepped into the Time Lord's shoes.

Television James Whitbrook Mar 22

January 26th 2022

Frog’s Missing Leg Regrown With Chemical Cocktail, Scientists Claim

The breakthrough offers hope that similar interventions could one day work in humans.

Biology George Dvorsky Jan 26

January 24th 2022

Doctor Who‘s Future Is Being Blown Apart by a Bizarre New Rumor

Doctor Who fandom usually disintegrates over "next Doctor" rumors, but the latest is one of the weirdest the show's seen in a long time

Television James Whitbrook Jan 24

October 15th 2021

Doctor Who’s Jodie Whittaker Has Filmed Her Goodbye, But Not Met the Next Doctor

Which is not really uncommon for the star of BBC's Doctor Who , even if it'd be incredibly strange for a Time Lord.

Television James Whitbrook Oct 15

August 6th 2021

10 Great Doctor Who Moments From Jodie Whittaker’s 13th Doctor

As we begin to look to the end of her tenure next year, here's a reminder of why we love the 13th Doctor.

Television James Whitbrook Aug 6

April 9th 2021

Scientists Dive Into Axolotl Genome, Looking for Secrets to Regeneration

Its adorableness aside, the Mexican axolotl is a salamander of particular interest to scientists. On the molecular level, the animal seems to have a cheat code for life: It can regenerate its limbs and vital organs, an ability researchers are desperate to better understand for medical applications. Now, geneticists have gotten a clearer view of…

Biology Isaac Schultz Apr 9

March 8th 2021

These Slugs Cut Off Their Own Heads When They Want a New Body

Looking like opened pea pods with a lustrous sheen, the sea slugs Elysia cf. marginata and Elysia atroviridis aren’t your average gastropods. First off, they’re members of sacoglossa, a clade of slugs known for taking the algae from marine plants and integrating the chloroplasts from that algae into their own cells, allowing them to get…

Biology Isaac Schultz Mar 8

October 9th 2019

Humans Have a ‘Salamander-Like’ Ability to Regenerate Damaged Body Parts, Study Finds

Salamanders are renowned for their regenerative capabilities, such as growing back entire limbs. We can’t pull off this biological trick, but new research highlights a previously unknown regenerative ability in humans—one held over from our evolutionary past. Our bodies have retained the capacity to repair injured or overworked cartilage in our joints, says new research…

Health George Dvorsky Oct 9

October 8th 2018

io9 Roundtable: Breaking Down Jodie Whittaker’s Stellar Doctor Who Premiere

io9 Roundtable: Breaking Down Jodie Whittaker's Stellar Doctor Who Premiere

Television James Whitbrook Oct 8

August 2nd 2017

A History of Doctor Who‘s Weird, Wonderful, and Very Awkward Doctor Replacements

Doctor Who has been on and off the air for nearly 54 years, and part of the key to the show’s longevity is that the baton of its lead character can be passed from actor to actor, from the First Doctor, William Hartnell, all the way to the upcoming 13th Doctor, Jodie Whittaker. But Doctor…

io9 James Whitbrook Aug 2

August 11th 2016

A 400 Year-Old Shark May Hold the Cure to Aging

If you’re counting on technology to radically extend your lifespan, you’ll want to pay close attention to what’s happening with the Greenland shark. According to a new scientific paper, this mysterious deep-sea dweller can live up to 400 years, making it the longest-lived vertebrate on Earth. Let that number sink in for a minute. Four…

Tech News Maddie Stone Aug 11

March 21st 2016

This Technicolor Mutant Zebrafish Is Synthetic Biology’s Craziest Creation Yet

It sounds ripped out of the pages of a science fiction novel—or maybe a Lisa Frank catalog—but the genetically modified, brilliantly colored zebra fish pictured above is no fantasy. It was created by scientists, to explore one of the most elusive processes in biology: tissue regeneration. “We’re interested in many types of regeneration,” Ken Poss,…

Health Maddie Stone Mar 21

November 24th 2015

Biologists Coax Worms Into Growing New Kinds of Heads

In what sounds like a plot line from a BioShock game, a team of biologists has coaxed an animal into growing a new head and brain resembling those of a different species. The bizarre accomplishment adds to a growing body of research highlighting the importance of non-DNA factors—collectively known as the ‘epigenome’—in determining the most…

Tech News Maddie Stone Nov 24

September 29th 2015

The Four Doctors Is a Comic Reunion the Twelfth Doctor Never Knew He Needed

Peter Capaldi's Doctor gets his team-up in the Titan Comics miniseries.

Books & Comics James Whitbrook Sep 29

June 8th 2015

Scientists Use AI To Solve A Long-standing Genetics Mystery

For years, biologists have sought to understand how the genes of planarians, a group of free-living flatworms, direct growth in specific body parts. An artificial intelligence tasked with the problem appears to have cracked the code, a breakthrough that demonstrates the incredible potential for “robot science.” An artificial intelligence system devised by Daniel Lobo and…

io9 George Dvorsky Jun 8

June 5th 2015

Image: Elena Scotti for io9 (BBC, Getty Images, AP, Shutterstock)

The io9 Guide to Doctor Who

For over 50 years, Doctor Who has changed the face of science fiction.

Television James Whitbrook Jun 5

August 13th 2014

Crayfish Can Turn Ordinary Blood Cells Into Neurons

Whatever you happen to call them—crawfish, crawdads, mudbugs—crayfish are pretty tasty. They also have a pretty remarkable ability to regenerate neurons from blood cells. Understanding brain regeneration in these little crustaceans might one day help us understand how it could work in humans. This discovery that a creature that can continually make new neurons is…

Tech News Sarah Zhang Aug 13

December 24th 2013

What every Doctor Who regeneration says about each Doctor’s era

Tomorrow sees the final bow of the Eleventh Doctor, as Matt Smith regenerates into Peter Capaldi. But “The Time Of The Doctor” figures to be more than just this incarnation’s last hurrah – like so many regeneration stories before it, the Christmas special is a chance to define just who this particular Doctor is, once…

Television Alasdair Wilkins Dec 24

November 27th 2013

This New Polymer Regenerates Large Parts of Itself, Like Lizards Do

Call it whatever you want—the Wolverine plastic, the Terminator material, the Doctor Who ingredient—but this new regenerating polymer is amazing. A team at the University of Pittsburgh has developed a formula for a novel substance that uses nanorods to rebuild itself when part of it has been severed. Essentially, the nanorods are embedded in a…

Tech News Adam Clark Estes Nov 27

Ncuti Gatwa Is Doctor Who‘s New Doctor

We’ve Already Had Enough of Hugh Grant as Doctor Who‘s Doctor

Frog’s Missing Leg Regrown With Chemical Cocktail, Scientists Claim

Doctor Who‘s Future Is Being Blown Apart by a Bizarre New Rumor

Doctor Who’s Jodie Whittaker Has Filmed Her Goodbye, But Not Met the Next Doctor

10 Great Doctor Who Moments From Jodie Whittaker’s 13th Doctor

Scientists Dive Into Axolotl Genome, Looking for Secrets to Regeneration

These Slugs Cut Off Their Own Heads When They Want a New Body

Humans Have a ‘Salamander-Like’ Ability to Regenerate Damaged Body Parts, Study Finds

io9 Roundtable: Breaking Down Jodie Whittaker’s Stellar Doctor Who Premiere

A History of Doctor Who‘s Weird, Wonderful, and Very Awkward Doctor Replacements

A 400 Year-Old Shark May Hold the Cure to Aging

This Technicolor Mutant Zebrafish Is Synthetic Biology’s Craziest Creation Yet

Biologists Coax Worms Into Growing New Kinds of Heads

The Four Doctors Is a Comic Reunion the Twelfth Doctor Never Knew He Needed

Scientists Use AI To Solve A Long-standing Genetics Mystery

The io9 Guide to Doctor Who

Crayfish Can Turn Ordinary Blood Cells Into Neurons

What every Doctor Who regeneration says about each Doctor’s era

This New Polymer Regenerates Large Parts of Itself, Like Lizards Do

Someone Finally Took a Good iPhone Photo of the Moon. Good Luck Copying Their Trick

In Letter, OpenAI Reportedly Says Elon Musk and Meta Are Coordinating ‘Attacks’ Against It

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Anonymous Sources Detail Sam Altman’s Alleged Untrustworthiness in New Report

Steven Spielberg Still Wants to Make a Horror Film ‘Someday’

Waymo Has Stopped Testing Its Robotaxis in New York City and No One Knows What Happens Next

Samsung Pushes Monitor Deals Further, the 34″ ViewFinity Hits a Record Low at Nearly 40% Off

The Best Anti-Meta Smart Glasses Are About to Have Tough Competition

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