2 Stocks I’m Never Selling

I bought these stocks during “bad” times, but “good” times won’t get me to jettison them from my portfolio. They are just too reliable.

Pleistocene sediment DNA from Denisova Cave

Researchers have analyzed DNA from 728 sediment samples from Denisova Cave. Their study provides unprecedented detail about the occupation of the site by both archaic and modern humans over 300,000 years. The researchers detected the DNA of Neandertals…

Mechanism of magnetic sensing in birds

The magnetic sense of migratory birds such as European robins is thought to be based on a specific light-sensitive protein in the eye. Researchers demonstrate that the protein cryptochrome 4, found in birds’ retinas, is sensitive to magnetic fields and…

AI spots healthy stem cells quickly and accurately

Researchers have designed a deep learning-based system that accurately identifies individual skin stem cells grown under artificial conditions and tracks their motion. Using this system to perform quality control of stem cell cultures could improve the…

Earth-like biospheres on other planets may be rare

A new analysis of known exoplanets has revealed that Earth-like conditions on potentially habitable planets may be much rarer than previously thought. The work focuses on the conditions required for oxygen-based photosynthesis to develop on a planet, w…