The Changing Eecosystem of Lake Constance
June 3, 2021
Lake Constance forms a natural border between Germany, Austria and Switzerland – and its ecosystem is changing. Newly arrived aggressive residents include spiny-cheek crayfish, zebra mussels and killer shrimp. Will they displace native species?
Also on Tomorrow Today: Streaming services are replacing TV schedules in a media upheaval. Is it a new freedom or a threat to democracy? What do media researchers say? And: How do trees and fungus cohabit?
Streaming is replacing linear TV
The big attraction of streaming services is that viewers can watch what they want when they want. Critics say we're living in a bubble in which what we watch is determined by algorithms. What's the truth about this much touted freedom of choice?
The Wood Wide Web
Forest floors are teeming with fungus varieties. A single specimen can spread an underground carpet of mycelium threads for over 100 m2. At the same time they envelop the roots of trees. What’s the magic behind this mycorrhizal symbiosis?
Just ask!
Our viewer’s question this week was posted by David Burgos from Colombia: Did some animal species survive the dinosaur era?
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