Explained: How Formula 1’s first 2026 test will work — and why you can’t watch it

The F1 teams are testing their 2026 cars at the Barcelona track this week. But why is the action not open to the public?

F1's secretive 'Barcelona Shakedown' test kicks off with new cars and no fans

Ten new cars, five days, no fans. And plenty of security. Formula 1 started a new era with the public and the media excluded ...

F1 teams feared another embarrassing preseason start. They were wrong

The grid decided to keep the year's first preseason test private after bad memories from 2014 but early data has proved these ...
AHA/ASA Journals

2026 Guideline for the Early Management of Patients With Acute Ischemic Stroke: A Guideline From the American Heart Association/American Stroke Association

AIM: The “2026 Guideline for the Early Management of Patients With AIS” replaces the “2018 Guidelines for the Early Management of Patients With AIS” and the 2019 update to reflect recent advances in ...

Understanding Risk-Free Return: Calculations and Examples

Risk-free return represents the theoretical yield on a perfect investment with zero risk. Learn how it's calculated and ...