Geographer Anson Mackay on freshwater pollution, acid rains and the dangers of invasive species and algal blooms
Physicist Michele Dougherty on the exploration of Jupiter’s moons, Europa’s ice crust and the internal ocean on Ganymede
Peter Jones on love as a contract, religious love in middle ages and why love is tied to self-sacrifice
Psychologist Daniel Mullensiefen on why music can work like a sleeping pill and what types of music can put you to sleep
Biogerontologist David Gems on different hypotheses of the gender gap in life expectancy, evolution of human longevity and reproductive patterns in men and women
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