We're looking at Earth science observing our planet. Also space science looking at the ozone in the atmosphere around our Earth. Also looking at life science. And on a human level using ourselves as test subjects.
The scariest thought in the world is that someday I'll wake up and realize I've been sleepwalking through my life: underappreciating the people I love making the same hurtful mistakes over and over a slave to neuroses fear and the habitual.