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Science

5 Sigma Is Not 5 Proofs

The Hubble tension sits at 5-6 sigma, and the pressure to declare new physics is enormous. But statistical confidence built on a chain of shared calibration assumptions is not the same as independent proof. The measurements that could actually settle this are still 2 years away.

By Vera Santos · 3 min read

Science

Repealing the Endangerment Finding Erases a Legal Lever, Not a Scientific Fact

The EPA erased its 2009 endangerment finding in February 2026, and Administrator Lee Zeldin told climate skeptics to celebrate vindication. The atmospheric physics did not get the memo. Repealing a legal determination and overturning scientific evidence are not the same action, and the difference is not subtle.

By Dr. Nadia Osei · 3 min read

Science

NIH Cuts Hit Women Harder Because the System Was Already Tilted

A PNAS study confirms women held 60% of canceled early-career NIH grants. The disproportion is real, but it reflects how funding was structured before the cuts, not targeted bias. NIH's December policy fix addresses the right failure mode.

By Crash Davis · 3 min read

Science

Supervised Does Not Mean Safe at the Longevity Clinic

Longevity clinics in 2026 are offering peptide therapies under the banner of clinical supervision, as if a doctor's monitoring could substitute for the trials that have never been run. The science behind some of these compounds is real and worth pursuing. The safety claims are not.

By Dr. Nadia Osei · 3 min read

Science

Animal Research Is a Legacy System Running on Institutional Inertia

HHS agency heads admitted in January that animal models have 'very, very poor' predictivity for human health outcomes. The replacement tools exist. What is missing is a deadline to actually use them.

By Crash Davis · 3 min read