Angels of Space-Time (Aeon)
by Rebekah Wallace
For medieval philosophers, the question of what angels are and what they’re capable of was of supreme importance. The answers they came up with helped guide the course of philosophical thought about space and motion, influencing the development of modern physics.

The Gardens That Save Species (Yale Environment 360)
by Janet Marinelli
With many plant species at risk of extinction, botanic garden collections scattered around the world offer hope of survival. But how many living things can be preserved this way, and how can we choose which ones?

How To Train a Parent (Literary Hub)
by Alex Bollen
Are you supposed to play with your baby? Over the centuries, “experts” have offered very different answers. But why do we think it’s a question worth asking at all?

Life and Death in El Salvador’s Prisons (The Conversation)
by Mneesha Gellman and Sarah C. Bishop
The US sent hundreds of people to El Salvador in violation of a court order. That country’s prisons are a nightmare of violence, malnutrition, and mistreatment kept largely secret from Salvadoran citizens on the outside.

Living With Phosphorus (Nautilus)
by Kristen French
Phosphorus is crucial for life on Earth and a building block of industrial agriculture. In desperate searches for it, people have looked to human bones and mummified cats—and caused enormous destruction to beautiful places.

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