What keeps you going? For one biologist, the answer blooms on rocky ground

What keeps you going? For one biologist, the answer blooms on rocky ground

I’ve been asked the question “What keeps you going?” twice recently, in very different contexts. The first was after I described a hike I’d just taken in Oregon’s Siskiyou Mountains. The narrow, rocky trail picked its way across a steep mountainside. It was hot, the footing was tricky and I’m 73 years old with a gimpy knee. Exhilarating but hard. The second time was after I mentioned a political demonstration I’d just attended – one of many. Pep…