speleology explorer in a cave examining and securing a bolt on a rock 1

Tunnel inspection

Path in the cave

United States, circa 1951: A geologist uses a flashlight to observe the different formations in the White Grotto in Italy.

A 6.8 magnitude earthquake hit the southern Philippine island of Mindanao on Sunday geologists said the same area struck by a string of deadly tremors in October (Footage by AFPTV via Getty Images)

Clip 5 from the 1954 film 'Les Deux Visages Du Sahara', a short propaganda film exploring the French government's contribution to Algeria during colonization. In this clip, sports and leisure in Colom Bechar, academic research,...

Floods causing a rising number of sinkholes to appear

As Rome suffers a severe drought that has led to water rationing Lake Bracciano 30km to the north of the city is much lower than usual while a geologist based in Rome blames poor water management rather than low rainfall for the shortage

Jul.19 -- Former Colorado Governor John Hickenlooper, a candidate for the Democratic nomination in 2020, discusses jobs, health care and the debates. He speaks with Bloomberg's David Westin on "Balance of Power."

1. Wide shot of NASA's JPL briefing

2. SOUNDBITE: (English) Dr. Andrew Knoll, Science Team Member, Harvard Unive
rsity
"So we've concluded, on the basis, of these physical relationships, that the berries are...

1. interior TV studio, ms David Scott, SOUNDBITE, interview on his family and personal health and working out... on the difference in roles between their personal cameras and the TV cameras during their mission... Recognising and...

CLEAN : Italy didnt learn from previous quakes: geologist

VOICED : Italia enfrenta el reto de la prevencion antisismica

A strong 7.1 magnitude earthquake rattled central Chile on Monday US geologists said

Una maravilla natural del este de Yemen rodeada de misterio y de historias de espíritus maléficos, el agujero de Barhout, conocido como el "pozo del infierno", fascina a los geólogos (Footage by AFPTV via Getty Images)