Antonio Regalado

@antonioregalado · regalado@technologyreview.com · joined 06 Mar 2009

Progress in science depends on new techniques, new discoveries and new ideas, probably in that order - {Sydney Brenner}. I write about biotech @MIT @techreview

28 105Followers

2 660Following

25 958Posts total

22.5KViews on collected posts

Latest posts

Antonio Regalado@antonioregalado16 Sep

new on the "brainless" animals front. researchers at stanford genetically modified mice so they lack a cortex. then they plugged in human brain organoids in its place. https://t.co/zClcvHogOA 3.5K views · 30 likes · 5 reposts · 3 replies Open on X →

Antonio Regalado@antonioregalado15 Sep

OpenAI Foundation owns 26% of OpenAI. Could be the richest nonprofit/charity in the world? This year, it's staffing up and started giving grants. We wrote about grants to ramp up biological data production. https://t.co/OjqOjbrHnW 8.6K views · 55 likes · 23 reposts · 3 replies Open on X →

Antonio Regalado@antonioregalado13 Sep

would love to know who/what is being subtweeted here. 3.9K views · 8 likes · 0 reposts · 2 replies Open on X →

Antonio Regalado@antonioregalado11 Sep

Another example of months-old news being reported as new. Jan 16 2026 "New Hampshire pig kidney transplant recipient now has human kidney" Sept 9 2026 "In a First, a Pig Kidney Kept a Patient Alive Until He Got a Human One" Also, not "until." Was on dialysis between organs h

2K views · 8 likes · 4 reposts · 3 replies Open on X →

Antonio Regalado@antonioregalado10 Sep

This report on misuse of Claude is crazy. Their commercial "intelligence" is being attacked, pilfered, and tricked into saying too much, primarily by China and other foreign actors. Includes a section on attempts to build biothreats. 4.5K views · 9 likes · 4 reposts · 2 replies Open on X →

Against accounts of the same size

5 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views3 920this account924median for 10K–100K

Reach, %13.95%this account3.62%median for 10K–100K

Engagement, %0.73%this account1.52%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	3 920	924	4.24×
Reach (views ÷ followers)	13.95%	3.62%	3.85×
Engagement rate	0.73%	1.52%	0.48×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

4.5K10 Sep

2K11 Sep

3.9K13 Sep

8.6K15 Sep

3.5K16 Sep

Last 5 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.34%10 Sep

0.73%11 Sep

0.26%13 Sep

0.95%15 Sep

1.09%16 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes52.4%110 in total

Reposts17.1%36 in total

Replies6.2%13 in total

Quotes0.5%1 in total

Bookmarks23.8%50 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.