Day March 1, 2026

HMN 2026: Why there are no truly flat molecules

Trembling hydrogen: Even at absolute zero, the two hydrogen atoms H1 and H2 of formic acid vibrate and thereby protrude from the plane of carbon (C) and oxygen (O). Credit: Institute for Nuclear Physics, Goethe University Frankfurt Traditional chemistry textbooks…

HMN 2026: What is Lunar New Year?

The new moon on Feb. 17 marks the start of the Lunar New Year, a celebration originating in China that today is celebrated around the world. According to the Chinese zodiac, 2026 is the year of the Fire Horse, symbolizing…

HMN 2026: How Can laughter help your heart?

Heart disease, particularly a heart attack, can feel like it comes out of nowhere. However, the truth is that certain behaviors put us at risk—and changing those behaviors is largely within our control. Most heart disease risk can be attributed…

HMN 2026: What is the link of hallucinations to memory fragments

Graphical abstract. Credit: Communications Biology (2026). DOI: 10.1038/s42003-025-09492-9 Psychedelic substances are increasingly being used under medical supervision to treat anxiety disorders and depression. However, the mechanisms by which these substances influence our perception and consciousness are largely unknown. A research…

HMN 2026: How Three PBMs dominate most Part D markets

States with highly concentrated pbm markets for prescriptions disepsensed at retail pharmacies, 2023. Credit: USC Schaeffer Center for Health Policy & Economics Just three pharmacy benefit managers (PBM) dominate retail prescriptions in Medicare Part D and Medicaid managed care across…