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Drastically low water levels in Germany's rivers has disrupted shipping on several major rivers. Meanwhile, police have recorded a striking rise in e-scooter crashes causing injury or death. DW has the latest.

Tropical storm causes extreme flooding in south of the country with heavy rainfall expected in coming daysA tropical storm has killed two people, caused dam breaches and forced tens of thousands to evacuate in southern ChinaTyphoon Maysak killed two people in Nanning, in China’s

Some fish swim in synchrony. Others, it turns out, breathe in synchrony. This is true for arapaimas, an obligate air-breathing species living in the Amazon. A new study in Communications Biology, led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in col

Data spanning nearly half a century shows that endangered southern resident killer whales are spending less time in inland waters, whereas their larger cousins, Bigg's killer whales, are increasingly present in Puget Sound.

Ocean tides push upstream along coastal rivers, in some cases reaching hundreds of kilometers (hundreds of miles) inland. These inland stretches are known as tidal rivers, and they're the scene of complex interactions between the river current and tidal oscillations. When rivers