David Grimm
@david-grimm.bsky.social
Award-winning journalist and online news editor at Science. Author of Citizen Canine: Our Evolving Relationship with Cats and Dogs. Lover of cats, movies, and bad puns.
EXCLUSIVE: CDC to end all monkey studies. Decision handed down by recent college grad and former DOGE employee who is now deputy chief of staff at the agency. Animals were being used in studies of HIV prevention. Some may be euthanized. My latest for @science.org
Exclusive: CDC to end all monkey research
Studies related to HIV and other infectious diseases will be phased out, sources say; fate of the agency's animals remains unclear
www.science.org
November 21, 2025 at 2:16 PM
EXCLUSIVE: CDC to end all monkey studies. Decision handed down by recent college grad and former DOGE employee who is now deputy chief of staff at the agency. Animals were being used in studies of HIV prevention. Some may be euthanized. My latest for @science.org
Reposted by David Grimm
There is an excellent video of the wolf using the trap too, which is somehow both soothing and delightful
November 17, 2025 at 8:22 PM
There is an excellent video of the wolf using the trap too, which is somehow both soothing and delightful
A female wolf has been doing something unusual on the Central Coast of British Columbia. She's learned to pull crab traps up from the water, yanking on a rope to bring it to the surface. But is it tool use? Very fun story from @phiejacobs.bsky.social for @science.org
Have wild wolves learned to use tools?
Video captures a lone female pulling crab traps out of the water, but does it count as tool use?
www.science.org
November 17, 2025 at 7:53 PM
A female wolf has been doing something unusual on the Central Coast of British Columbia. She's learned to pull crab traps up from the water, yanking on a rope to bring it to the surface. But is it tool use? Very fun story from @phiejacobs.bsky.social for @science.org
Reposted by David Grimm
Is it cheating at paleontology if the dinosaur bones are marked with bright orange lichen? @david-grimm.bsky.social dives in to the dilemma this week on the @science.org podcast
www.science.org/content/podc...
www.science.org/content/podc...
November 14, 2025 at 2:05 PM
Is it cheating at paleontology if the dinosaur bones are marked with bright orange lichen? @david-grimm.bsky.social dives in to the dilemma this week on the @science.org podcast
www.science.org/content/podc...
www.science.org/content/podc...
Known as a “lip out” or the “golfer’s curse,” the sometimes strange behavior of golf balls has bedeviled players for centuries. Now, physicists have figured out how they happen. Just don't expect the discovery to improve your game... Fun story by @annademming.bsky.social for @science.org
Have physicists finally solved the ‘golfer’s curse’?
Team says it has hit on an explanation for heartbreaking “lip outs”
www.science.org
November 5, 2025 at 1:47 PM
Known as a “lip out” or the “golfer’s curse,” the sometimes strange behavior of golf balls has bedeviled players for centuries. Now, physicists have figured out how they happen. Just don't expect the discovery to improve your game... Fun story by @annademming.bsky.social for @science.org
Getting--or got--a PhD? Got boogie in your soul? Then don't be shy. Enter this year's contest--and dance, dance, dance! @science.org
Science’s ‘Dance Your Ph.D.’ contest is open again—with an all new, AI twist
For the first time, there’s a special prize for a research-themed dance generated by an artificial intelligence program
www.science.org
November 5, 2025 at 1:45 PM
Getting--or got--a PhD? Got boogie in your soul? Then don't be shy. Enter this year's contest--and dance, dance, dance! @science.org
Back to the Future did it first!
November 2, 2025 at 10:04 PM
Back to the Future did it first!
Ancient coffins aren't just for Dracula. They can provide clues to what it felt like to Walk the earth thousands of years ago. Just in time for #Halloween, a spooky story from @science.org
Tree rings from ancient coffins offer clues to Earth’s past
Wood from gravesites can help reconstruct historic temperatures, floods, and droughts
www.science.org
October 31, 2025 at 1:27 PM
Ancient coffins aren't just for Dracula. They can provide clues to what it felt like to Walk the earth thousands of years ago. Just in time for #Halloween, a spooky story from @science.org
Each year, hundreds of millions of people worldwide similarly fall sick from microbial pathogens lurking in meals. Bacteria-killing viruses called bacteriophages could offer an unusual solution. @science.org
To thwart food poisoning, tiny needles could inject bacteria-slaying viruses into your meal
Experimental patches on meat, fruits, and vegetables can destroy up to 99.9% of bacteria
www.science.org
October 30, 2025 at 3:57 PM
Each year, hundreds of millions of people worldwide similarly fall sick from microbial pathogens lurking in meals. Bacteria-killing viruses called bacteriophages could offer an unusual solution. @science.org
Reposted by David Grimm
Breaking news: To avoid criminal prosecution for allegations of animal abuse, the second-largest breeder of research dogs in the United States will stop providing animals to research labs around the country, according to a settlement. https://scim.ag/4hT8dCV
Facing claims of animal abuse, a major breeder of research dogs will close its pipeline
Ridglan Farms has agreed to stop selling beagles for scientific studies, leaving just one major U.S. supplier
www.science.org
October 29, 2025 at 10:16 PM
Breaking news: To avoid criminal prosecution for allegations of animal abuse, the second-largest breeder of research dogs in the United States will stop providing animals to research labs around the country, according to a settlement. https://scim.ag/4hT8dCV
“It was almost like watching little circus animals.” Very fun and cool (and important!) story at @science.org
Aquarium hijinks provide strongest evidence yet that sharks love to play
Study hints at a deeper intelligence—and a need for enrichment in captivity
www.science.org
October 29, 2025 at 10:15 PM
“It was almost like watching little circus animals.” Very fun and cool (and important!) story at @science.org
The second-largest breeder of research dogs in the United States will stop providing animals to research labs around the country. My latest for @science.org
Facing claims of animal abuse, a major breeder of research dogs will close its pipeline
Ridglan Farms has agreed to stop selling beagles for scientific studies, leaving just one major U.S. supplier
www.science.org
October 29, 2025 at 10:13 PM
The second-largest breeder of research dogs in the United States will stop providing animals to research labs around the country. My latest for @science.org
Just in time for Halloween 🎃 @science.org
‘It’s like a horror movie pregnancy.’ Researcher studies maggots—by letting them eat him
Science chats with wildlife epidemiologist Tony Goldberg about what he’s learned from becoming a meal for parasites
www.science.org
October 22, 2025 at 12:57 PM
Just in time for Halloween 🎃 @science.org
Perhaps they should rename it the Scrat hole? Fun story by Celina Zhao for @science.org
Chicago’s beloved ‘rat hole’ was actually made by a squirrel
Scientists reopen the case of “splatatouille”
www.science.org
October 15, 2025 at 3:36 PM
Perhaps they should rename it the Scrat hole? Fun story by Celina Zhao for @science.org
Reposted by David Grimm
I knew it! Fiber is for cleaning the pipes. For cats, it's all about clearing upstairs pipes. Humans need it for downstairs pipes. 🧪🐈
What does grass and a drain snake have in common? Both contain jagged edges that help dislodge clumps of hair. Great for pipes--and, it turns out, also for cats. 🐱
Gold-covered hairballs may reveal why cats eat grass
Spiky projections on plant matter may act like “drain snakes,” helping felines dislodge wads of fur
www.science.org
September 15, 2025 at 2:25 PM
I knew it! Fiber is for cleaning the pipes. For cats, it's all about clearing upstairs pipes. Humans need it for downstairs pipes. 🧪🐈
What does grass and a drain snake have in common? Both contain jagged edges that help dislodge clumps of hair. Great for pipes--and, it turns out, also for cats. 🐱
Gold-covered hairballs may reveal why cats eat grass
Spiky projections on plant matter may act like “drain snakes,” helping felines dislodge wads of fur
www.science.org
September 15, 2025 at 2:15 PM
What does grass and a drain snake have in common? Both contain jagged edges that help dislodge clumps of hair. Great for pipes--and, it turns out, also for cats. 🐱
@science.org exclusive! Scientists--and owners--have puzzled for years about why cats eat grass, only seemingly to throw it up for no reason. Could a new study finally solve the mystery? Cool--and very fun--story by Christa Lesté-Lasserre
Gold-covered hairballs may reveal why cats eat grass
Spiky projections on plant matter may act like “drain snakes,” helping felines dislodge wads of fur
www.science.org
September 13, 2025 at 3:53 PM
@science.org exclusive! Scientists--and owners--have puzzled for years about why cats eat grass, only seemingly to throw it up for no reason. Could a new study finally solve the mystery? Cool--and very fun--story by Christa Lesté-Lasserre
“It’s the most challenging time I’ve ever seen for animal care." Facing enormous challenges, the USDA agency that oversees the animal welfare act--covering everything from lab to zoo animals--is struggling to do its job. The impact on animal welfare could be devastating. My latest for @science.org
Facing ‘impossible’ workload, USDA struggles to oversee lab animal welfare
Shrinking staff and other handicaps threaten enforcement of federal law that protects research animals
www.science.org
August 20, 2025 at 11:45 AM
“It’s the most challenging time I’ve ever seen for animal care." Facing enormous challenges, the USDA agency that oversees the animal welfare act--covering everything from lab to zoo animals--is struggling to do its job. The impact on animal welfare could be devastating. My latest for @science.org
Reposted by David Grimm
Writers, bring your 1-minute pitches for live feedback from editors on November 9 @1:30pm in Chicago at Pitch Slam. @sciencewriters.org #NASW #SciWri25
🔗View the program 👇
sciencewriters2025.org
🖥️ Registration opens September 4.
🧵1/3
🔗View the program 👇
sciencewriters2025.org
🖥️ Registration opens September 4.
🧵1/3
August 19, 2025 at 7:34 PM
Writers, bring your 1-minute pitches for live feedback from editors on November 9 @1:30pm in Chicago at Pitch Slam. @sciencewriters.org #NASW #SciWri25
🔗View the program 👇
sciencewriters2025.org
🖥️ Registration opens September 4.
🧵1/3
🔗View the program 👇
sciencewriters2025.org
🖥️ Registration opens September 4.
🧵1/3
Reposted by David Grimm
#InternationalCatDay - Via News from Science - Why do cats love tuna so much? Scientists may finally know - @david-grimm.bsky.social @science.org
www.science.org/content/arti...
www.science.org/content/arti...
Why do cats love tuna so much? Scientists may finally know
Study identifies taste receptors that give our feline friends a craving for meat—and one fish in particular
www.science.org
August 8, 2025 at 6:41 PM
#InternationalCatDay - Via News from Science - Why do cats love tuna so much? Scientists may finally know - @david-grimm.bsky.social @science.org
www.science.org/content/arti...
www.science.org/content/arti...
Honored to appear on a *third* podcast this week, this one also on cats and dogs. For Pets add Life, I discuss the evolving legal status of our pets, and my greatest hopes--and fears--for the future. (My segment starts around 8:00). Enjoy!
76. Coral Reefs, Cloning Cats & Clear the Shelters
This week on Pets Add Life, Kristen Levine and Chris Bonifati dive into a jam-packed summer episode filled with science, sustainability, and shelter adoptions.
petsaddlife.org
August 8, 2025 at 1:34 PM
Honored to appear on a *third* podcast this week, this one also on cats and dogs. For Pets add Life, I discuss the evolving legal status of our pets, and my greatest hopes--and fears--for the future. (My segment starts around 8:00). Enjoy!
Reposted by David Grimm
This week on the @science.org podcast: Why anteaters keep evolving w/ @david-grimm.bsky.social, and how giant whales get enough food to live w/ Ashley Blawas LISTEN HERE:
www.science.org/content/podc...
www.science.org/content/podc...
August 7, 2025 at 6:21 PM
This week on the @science.org podcast: Why anteaters keep evolving w/ @david-grimm.bsky.social, and how giant whales get enough food to live w/ Ashley Blawas LISTEN HERE:
www.science.org/content/podc...
www.science.org/content/podc...
Honored to be featured on @sheltercatspodcast.bsky.social this week, where I do a deep dive into how cats and dogs evolved from wild animals to family members. I highly recommend the last 4 minutes, where I give my thesis statement about why cats are so special.
Episode 63: David Grimm: Citizen Canine
YouTube video by Shelter Cats Podcast
www.youtube.com
August 6, 2025 at 1:26 PM
Honored to be featured on @sheltercatspodcast.bsky.social this week, where I do a deep dive into how cats and dogs evolved from wild animals to family members. I highly recommend the last 4 minutes, where I give my thesis statement about why cats are so special.
My favorite headline of the week, courtesy of @erikstokstad.bsky.social, who also wrote this cool story for @science.org. Tomatoes gave rise to potatoes!
Thank ketchup for your French fries
Interbreeding with tomatoes 9 million years ago gave potatoes the genes to develop tubers
www.science.org
July 31, 2025 at 7:29 PM
My favorite headline of the week, courtesy of @erikstokstad.bsky.social, who also wrote this cool story for @science.org. Tomatoes gave rise to potatoes!
Extending up to 2.3 micrometers, this is the longest virus tail described to date--19 times larger than the tail of the coronavirus that causes COVID-19. Cool stuff from @nazeefa-ahmed.bsky.social for @science.org
Giant virus with record-long tail discovered in Pacific Ocean
Infecting marine plankton, the pathogen may use its extreme appendage to enter host cells
www.science.org
July 30, 2025 at 1:55 PM
Extending up to 2.3 micrometers, this is the longest virus tail described to date--19 times larger than the tail of the coronavirus that causes COVID-19. Cool stuff from @nazeefa-ahmed.bsky.social for @science.org