Samples of Squid Game's manicure are displayed at the nail salon Maniqure in Kuala Lumpur, Malaysia October 14, 2021. Picture taken October 14, 2021. REUTERS/Lim Huey Teng

A healthcare worker takes a nasal swab sample from a worker for a coronavirus disease (COVID-19) test, at Hanoi train station in Hanoi, Vietnam, October 13, 2021. REUTERS/Nguyen Thinh Tien

A healthcare worker takes a swab sample from a traveller for a coronavirus disease (COVID-19) test at the Ben Gurion International Airport in Lod, near Tel Aviv, Israel October 13, 2021. REUTERS/ Ronen Zvulun

A healthcare worker takes a swab sample from a traveller for a coronavirus disease (COVID-19) test at the Ben Gurion International Airport in Lod, near Tel Aviv, Israel October 13, 2021. REUTERS/ Ronen Zvulun

A healthcare worker pauses as she takes swab samples from travellers for coronavirus disease (COVID-19) testing at the Ben Gurion International Airport in Lod, near Tel Aviv, Israel October 13, 2021. REUTERS/ Ronen Zvulun

A DNA laboratory technician works on a bone sample of one of the victims of Kaniyat militia killings at the General Authority for Search and Identification of Missing Persons in Tripoli, Libya, Oct. 12, 2021. Picture taken Oct. 12, 2021. REUTERS/Nada Harib

Laboratory technicians work on DNA samples of victims of Kaniyat militia killings at the General Authority for Search and Identification of Missing Persons in Tripoli, Libya, Oct. 12, 2021. Picture taken Oct. 12, 2021. REUTERS/Nada Harib

Blood and bones samples of the victims of Kaniyat militia killings are pictured at the General Authority for Search and Identification of Missing Persons in Tripoli, Libya, Oct. 12, 2021. Picture taken Oct. 12, 2021. REUTERS/Nada Harib

Blood and bones samples of victims of Kaniyat militia killings are pictured at the General Authority for Search and Identification of Missing Persons in Tripoli, Libya, Oct. 12, 2021. Picture taken Oct. 12, 2021. REUTERS/Nada Harib

A soybean delivery is sampled during harvest season at Deerfield AG Services grain elevator facility in Massillon, Ohio, U.S., October 7, 2021. Picture taken October 7, 2021. REUTERS/Dane Rhys

Samples of wheat sit on a grain office benchtop as a worker operates a truck sampling station at Deerfield AG Services grain elevator facility in Deerfield, Ohio, U.S., October 7, 2021. Picture taken October 7, 2021. REUTERS/Dane Rhys

Soybeans sit in a grain sieve at a sampling station at Deerfield AG Services grain elevator facility in Massillon, Ohio, U.S., October 7, 2021. Picture taken October 7, 2021. REUTERS/Dane Rhys

Prigi Arisandi, the founder Indonesia's environmental activist group Ecological Observation and Wetlands Conservation (ECOTON), and volunteers look at water sample as they examine microplastic contents on it, at their laboratory in Gresik regency near Surabaya, East Java province, Indonesia, September 28, 2021. Picture taken September 28, 2021. REUTERS/Prasto Wardoyo

Microplastic contents on water sample collected from the river is seen on a screen at the laboratorium owned by Indonesia's environmental activist group Ecological Observation and Wetlands Conservation (ECOTON) in Gresik regency near Surabaya, East Java province, Indonesia, September 28, 2021. Picture taken September 28, 2021. REUTERS/Prasto Wardoyo

Volunteers examine the contents of microplastics on water sample collected from the river, at the laboratory owned by Indonesia's environmental activist group Ecological Observation and Wetlands Conservation (ECOTON) in Gresik regency near Surabaya, East Java province, Indonesia, September 28, 2021. Picture taken September 28, 2021. REUTERS/Prasto Wardoyo

Critical Care Respiratory therapist Lauren Parsons collects a blood sample from a coronavirus disease (COVID-19) positive patient in their isolation room on the intensive care unit (ICU) at Sarasota Memorial Hospital in Sarasota, Florida, U.S., September 22, 2021. REUTERS/Shannon Stapleton

Two volcanologists Claudia Rodriguez y Beverley Coldwell from the Volcanological Institute of the Canary Islands (INVOLCAN) collect gas samples in Tazacorte, on the Canary Island of La Palma, Spain, September 18, 2021. REUTERS/Borja Suarez

Two volcanologists from the Volcanological Institute of the Canary Islands (INVOLCAN) collect gas samples in Tazacorte, on the Canary Island of La Palma, Spain, September 18, 2021. REUTERS/Borja Suarez

ENEA researcher Andrea Bordone uses a probe to collect samples in the Smart Bay of Santa Teresa, in Lerici, Italy, September 15, 2021. Picture taken September 15, 2021. REUTERS/Flavio Lo Scalzo.

A dog that has been trained by Dubai Police K-9 unit to sniff out COVID-19 screens a sweat sample in Dubai, United Arab Emirates, September 13, 2021. Picture taken September 13, 2021. REUTERS/Abdel Hadi Ramahi

A dog that has been trained by Dubai Police K-9 unit to sniff out COVID-19 screens a sweat sample in Dubai, United Arab Emirates, September 13, 2021. Picture taken September 13, 2021. REUTERS/Abdel Hadi Ramahi

Graphic shows the average daily loss of glacier ice around the world, which equates to 0.8 gigatonnes. As global warming melts glaciers and ice sheets, scientists race against time to collect ice core samples.

As warming melts glaciers and ice sheets, scientists race against time to collect ice core samples from around the world. Graphic shows the equipment used to extract ice cores.

As warming melts glaciers and ice sheets, scientists race against time to collect ice core samples. The map shows drilling sites around the world documented by NOAA’s Paleoclimatology archive.

A Palestinian veterinarian holds a blood sample at Royal Care Vet Clinic that offers animals medical and grooming care, in Nablus, the Israeli-occupied West Bank, September 7, 2021. Picture taken September 7, 2021. REUTERS/Raneen Sawafta

Tokyo 2020 Paralympic Games - Athletics - Men's 400m - T47 Final - Olympic Stadium, Tokyo, Japan - September 4, 2021. Rayven Sample of the United States and Tanner Wright of the United States after the race. REUTERS/Athit Perawongmetha

Tokyo 2020 Paralympic Games - Athletics - Men's 400m - T47 Final - Olympic Stadium, Tokyo, Japan - September 4, 2021. Rayven Sample of the United States after being disqualified REUTERS/Marko Djurica

Tokyo 2020 Paralympic Games - Athletics - Men's 400m - T47 Round 1 - Heat 1 - Olympic Stadium, Tokyo, Japan - September 3, 2021. Petrucio Ferreira Dos Santos of Brazi, Rayven Sample of the United States and Lucas De Sousa Lima of Brazil in action REUTERS/Athit Perawongmetha

Tokyo 2020 Paralympic Games - Athletics - Men's 400m - T47 Round 1 - Heat 1 - Olympic Stadium, Tokyo, Japan - September 3, 2021. Petrucio Ferreira Dos Santos of Brazi, Rayven Sample of the United States and Lucas De Sousa Lima of Brazil in action REUTERS/Athit Perawongmetha

Tokyo 2020 Paralympic Games - Athletics - Men's 400m - T47 Round 1 - Heat 1 - Olympic Stadium, Tokyo, Japan - September 3, 2021. Petrucio Ferreira Dos Santos of Brazil and Rayven Sample of the United States in action REUTERS/Athit Perawongmetha

Tokyo 2020 Paralympic Games - Athletics - Men's 400m - T47 Round 1 - Heat 1 - Olympic Stadium, Tokyo, Japan - September 3, 2021. Petrucio Ferreira Dos Santos of Brazil and Rayven Sample of the United States in action REUTERS/Athit Perawongmetha

A gallery assistant holds a sample bottle of Gordon & MacPhail whisky, which is up for sale at Sotheby's in London, Britain, September 2, 2021. REUTERS/Matthew Childs

A gallery assistant holds a sample bottle of Gordon & MacPhail whisky, which is up for sale at Sotheby's in London, Britain, September 2, 2021. REUTERS/Matthew Childs

A gallery assistant holds a sample bottle of Gordon & MacPhail whisky, which is up for sale at Sotheby's in London, Britain, September 2, 2021. REUTERS/Matthew Childs

A gallery assistant holds a sample bottle of Gordon & MacPhail whisky, which is up for sale at Sotheby's in London, Britain, September 2, 2021. REUTERS/Matthew Childs

A gallery assistant holds a sample bottle of Gordon & MacPhail whisky, which is up for sale at Sotheby's in London, Britain, September 2, 2021. REUTERS/Matthew Childs

A gallery assistant holds a sample bottle of Gordon & MacPhail whisky, which is up for sale at Sotheby's in London, Britain, September 2, 2021. REUTERS/Matthew Childs

An aerial view of Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, September 1, 2021. Picture taken September 1, 2021 with a drone. REUTERS/Cindy Liu

Thavry Hoem, a field study coordinator at the Institut Pasteur du Cambodge, puts on personal protective equipment (PPE) before collecting bats captured at Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 31, 2021. Picture taken August 31, 2021. REUTERS/Cindy Liu

Researchers from the Institut Pasteur du Cambodge take a blood sample from a bat captured at Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 31, 2021. Picture taken August 31, 2021. REUTERS/Cindy Liu

The entrance to a cave at Chhngauk Hill is pictured in Thala Borivat District, Steung Treng Province, Cambodia, August 31, 2021. Picture taken August 31, 2021. REUTERS/Cindy Liu

Researchers from the Institut Pasteur du Cambodge set up a mist net to capture bats near Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 31, 2021. Picture taken August 31, 2021. REUTERS/Cindy Liu

Researchers from the Institut Pasteur du Cambodge collect bat feces from a cave at Chhangauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 31, 2021. Picture taken August 31, 2021. REUTERS/Cindy Liu

A researcher from the Institut Pasteur du Cambodge removes a bat trapped in a mist net at Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 31, 2021. Picture taken August 31, 2021. REUTERS/Cindy Liu

A researcher from the Institut Pasteur du Cambodge takes an oral swab from a bat that was captured at Chhngauk Hill, Thala Borivat District, Steung Treng Province, Cambodia, August 30, 2021. Picture taken August 30, 2021. REUTERS/Cindy Liu TPX IMAGES OF THE DAY

A researcher from the Institut Pasteur du Cambodge takes an oral swab from a bat that was captured at Chhngauk Hill, Thala Borivat District, Steung Treng Province, Cambodia, August 30, 2021. Picture taken August 30, 2021. REUTERS/Cindy Liu

Researchers from the Institut Pasteur du Cambodge prepare to collect samples from the bats captured at Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 30, 2021. Picture taken August 30, 2021. REUTERS/Cindy Liu

A researcher from the Institut Pasteur du Cambodge holds a bat captured at Chhngauk Hill in Thala Borivat District, Steung Treng Province Cambodia, August 30, 2021. Picture taken August 30, 2021. REUTERS/Cindy Liu

A researcher from the Institut Pasteur du Cambodge holds cloth bags containing bats captured at Chhngauk Hill in Thala Borivat District, Steung Treng Province, Cambodia, August 30, 2021. Picture taken August 30, 2021. REUTERS/Cindy Liu

A researcher works on a sample inside a laboratory at the University of Sao Paulo's Institute of Physics for a study in which the institute claims to have discovered a 75% drop in the coronavirus disease (COVID-19) production after cells came into contact with jararacussu snake venom, in Sao Carlos, Brazil August 30, 2021. Picture taken August 30, 2021. REUTERS/Carla Carniel

A researcher works on a sample inside a laboratory at the University of Sao Paulo's Institute of Physics for a study in which the institute claims to have discovered a 75% drop in the coronavirus disease (COVID-19) production after cells came into contact with jararacussu snake venom, in Sao Carlos, Brazil August 30, 2021. Picture taken August 30, 2021. REUTERS/Carla Carniel

A researcher works on a sample inside a laboratory at the University of Sao Paulo's Institute of Physics for a study in which the institute claims to have discovered a 75% drop in the coronavirus disease (COVID-19) production after cells came into contact with jararacussu snake venom, in Sao Carlos, Brazil August 30, 2021. Picture taken August 30, 2021. REUTERS/Carla Carniel

A researcher works on a sample inside a laboratory at the University of Sao Paulo's Institute of Physics for a study in which the institute claims to have discovered a 75% drop in the coronavirus disease (COVID-19) production after cells came into contact with jararacussu snake venom, in Sao Carlos, Brazil August 30, 2021. Picture taken August 30, 2021. REUTERS/Carla Carniel

A researcher works on a sample inside a laboratory at the University of Sao Paulo's Institute of Physics for a study in which the institute claims to have discovered a 75% drop in the coronavirus disease (COVID-19) production after cells came into contact with jararacussu snake venom, in Sao Carlos, Brazil August 30, 2021. Picture taken August 30, 2021. REUTERS/Carla Carniel

Swab samples are seen during a rapid antigen testing campaign for the coronavirus disease (COVID-19), at a railway station in Mumbai, India, August 27, 2021. REUTERS/Francis Mascarenhas

A health worker in personal protective equipment (PPE) collects a swab sample from a woman during a rapid antigen testing campaign for the coronavirus disease (COVID-19), at a railway station platform in Mumbai, India, August 27, 2021. REUTERS/Francis Mascarenhas

A nurse holds PCR samples hours before a concert, at the Hospital Clinico de la Universidad de Chile, in Santiago, Chile, August 26, 2021. REUTERS/Pablo Sanhueza

A nurse holds PCR samples hours before the start of a concert, at the Hospital Clinico de la Universidad de Chile, in Santiago, Chile, August 26, 2021. REUTERS/Pablo Sanhueza

A nurse takes a PCR test from an attendee hours before a concert, at the Hospital Clinico de la Universidad de Chile in Santiago, Chile, August 26, 2021. REUTERS/Pablo Sanhueza

A nurse takes a PCR test from an attendee hours before a concert, at the Hospital Clinico de la Universidad de Chile in Santiago, Chile, August 26, 2021. REUTERS/Pablo Sanhueza