Dr. Bortrum

You can get shingles four times. Black widow spiders eat males before sex too. Catch Saturn's rings before they disappear. A bit of Woodstock.

A "city killer" sails by too close for comfort. Bortrum learns about his past from his father.

A Marsquake and a puff of methane detected. Boiling water on Earth.

Life and death on Everest. Denisovans were living high long long ago.

Hundreds of workers publish papers on tiny genes and on a monstrous black hole, "Seeing" the invisible.

Bortrum gets a mammogram. Russians add elements to the Periodic Table.

How Pittsburgh's Henry Heinz helped make our food safer and tastier. A 4-billion year old rock from Earth found on the Moon?

Fond memories of Pittsburgh. Thomas Starzl's legacy.

Exploring beyond Pluto. A new dwarf planet. A visit from an object older than Earth. A breakthrough of 2018.

Medical topics and astronomical findings such as galaxies and meteorite craters. Possible cause of partial global cooling?