At an eel restaurant near Tokyo, four friends sit down to eat a Japanese delicacy now the subject of a heated international debate as its numbers decline. The eel, hugely popular across Japan, is also ...

The Nature Index tracks primary research articles from 145 natural-science and health-science journals, chosen based on reputation by an independent group of researchers. The Nature Index provides ...

The Nature Index tracks primary research articles from 145 natural-science and health-science journals, chosen based on reputation by an independent group of researchers. The Nature Index provides ...

When nature calls, Masana Izawa has followed the same routine for more than 50 years: heading out to the woods in Japan, dropping his pants and doing as bears do. "We survive by eating other living ...