更多来自菲利普·基弗 (第 2 页)

A grassy, open pine forest on a sunny day.
动物

作者：Philip Kiefer

A man on a bicycle wearing a face mask as he passes flowering bushes.
COVID-19

作者：Philip Kiefer

A green branch. The stem is covered in small, scale-shaped bugs. A wasp is perched above them on a leaf.
昆虫

作者：Philip Kiefer

A silver machine containing boiling grains.
营养

作者：Philip Kiefer

Emissions from plant and ship streaming into the air.
化石燃料

作者：Sara Kiley Watson, 作者：Philip Kiefer

A night photo of a log with a bobcat in the background.
动物

作者：Philip Kiefer

Colorful mantis shrimp with giant eyes that have color vision on black background
野生动物

作者：Philip Kiefer

A firefighter stands holding a canister of gasoline in a snowy forest looking out over burning piles of underbrush.
气候变化

作者：Philip Kiefer

a heat map showing dark red on the city of las vegas and radiating out yellow to bits of green at the edge of the map as you move further from the city
气候变化

作者：Philip Kiefer, 作者：Lauren J. Young

A small child is having a bandage put on his arm after receiving a shot. A caregiver stands behind him.
疫苗

作者：Philip Kiefer

bowls containing wheat flour, eggs, shellfish, peanuts, soybeans, and other common allergens
COVID-19

作者：Philip Kiefer

A line of firefighters dig with hand tools to construct fireline in a forest.
环境

作者：Philip Kiefer

What an ancient jawbone reveals about polar bear evolution
进化

作者：Philip Kiefer

Person with short brown hair in a white t-shirt and a COVID surgical mask checking their temperature on a thermometer for COVID rebound infection
COVID-19

作者：Philip Kiefer

A microscope image of several SARS-CoV-2 virus particles.
COVID-19

作者：Philip Kiefer

A colorful parrot hooked onto a tree with its beak.
鸟类

作者：Philip Kiefer

A line of people queue up in front of a blue tent.
COVID-19

作者：Philip Kiefer

A blue and pink microscope slide showing several ovals in animal flesh.
疾病

作者：Philip Kiefer

US Army service members in surgical masks saluting the coffin of a veteran who died of COVID-19
COVID-19

作者：Philip Kiefer

A chimpanzee sitting with a baby between her leg. Her mouth is open to yell.
动物

作者：Philip Kiefer

A false-color image of Yosemite's half dome
环境

作者：Philip Kiefer

A row of illuminated strings, with glowing orbs in some of them.
健康

作者：Philip Kiefer

A fire moving across a hillside at night
气候变化

作者：Philip Kiefer

A hill made of oyster shell
动物

作者：Philip Kiefer

People standing on a bridge at sunset while bats fly over.
蝙蝠

作者：Philip Kiefer

A pill bottle on a blue background spilling aspirin tabs.
心脏病

作者：Philip Kiefer

A plume of smoke viewed from above, in a valley of small pine trees.
气候变化

作者：Philip Kiefer

Aerial view of a highway interchange with cars congested on one side.
气候变化

作者：Philip Kiefer

N95 Masks laid out on a blue background
COVID-19

作者：Philip Kiefer

Try as you might, you can't get the creme to stick to one side of an Oreo.
物理学

作者：Philip Kiefer

Bees hanging onto each other
问我们任何事

作者：Philip Kiefer

Shifting ancient climates shaped human evolution
进化

作者：Philip Kiefer

Anthropologists are still wrestling with their obligations to the living and dead
考古学

作者：Philip Kiefer

Blue oblong shapes marked with red dots against a background.
科学

作者：Philip Kiefer

Food and Drug Administration headquarters in Washington, DC hosting a COVID vaccine booster meeting
疫苗

作者：Philip Kiefer

Hamburger
农业

作者：Philip Kiefer

Fentanyl test trip over blue sample container to prevent overdoses in the opioid crisis
健康

作者：Philip Kiefer

A red ant against a white background
动物

作者：Philip Kiefer

Saturn's ocean moon Enceladus with clear tiger stripes in a blue colorized image from the Cassini space probe
月球

作者：Philip Kiefer

March 2022 wildfires over Texas in a satellite map
环境

作者：Philip Kiefer

A sunny European plaza with empty tables because of the BA.2 COVID surge
COVID-19

作者：Philip Kiefer

A bike path with a yellow stripe covered in water. A bridge is on the horizon.
气候变化

作者：Philip Kiefer

COVID test samples with tubes and labels for detecting variants like Delta and Omicron
COVID-19

作者：Philip Kiefer

SARS-CoV-2 or COVID virus infecting human cells in a green and purple microscopy image
COVID-19

作者：Philip Kiefer

A mountaintop covered in green grass and surrounded by stone structures with staircases.
考古学

作者：Philip Kiefer

A barge near an oil terminal
化石燃料

作者：Philip Kiefer

An orange starfish on a rock.
进化

作者：Philip Kiefer

A row of suburban houses with a hill behind and an approaching wildfire over the California hills
气候变化

作者：Philip Kiefer

Russian figure skater Kamila Valieva wearing a purple costume, shown in three different poses on the ice during a program at the 2022 Beijing Winter Olympics
心脏病

作者：Philip Kiefer

A white car sitting in a parking space being charged from a pole with a cable.
电动汽车

作者：Philip Kiefer

six raw oysters in a circle around a lemon next to a glass of champagne to be used as aphrodisiacs for sex
医药

作者：Philip Kiefer

A man wearing a surgical mask is vaccinated by a healthcare worker wearing gloves.
疫苗

作者：Philip Kiefer

Winter Storm Landon moving off the Gulf Coast on the night of February 3 on a weather radar satellite image
天气

作者：Philip Kiefer

A doctor talks to a patient who is sitting on an MRI machine's bed.
疫苗

作者：Philip Kiefer

A pile of books to represent scientific journals and COVID preprint studies
COVID-19

作者：Philip Kiefer

An ash cloud from the 2022 Hunga Tonga explosion over the South Pacific seen from outer space
环境

作者：Philip Kiefer

A patient sitting on a hospital bed with an IV, with two medical providers wearing protective clothes on either side.
COVID-19

作者：Philip Kiefer

A fossil with a series of diagonal slashes cut into one corner.
进化

作者：Philip Kiefer

a woman in a hospital bed with a close up on the venous catheter tubes in her hand and arm
气候变化

作者：Philip Kiefer

A wild sheep with curled horns in front of trees.
考古学

作者：Philip Kiefer

A bronze helmet shown from the front and the side. It has curving horns coming out of the sides of the head, and a birdlike face.
考古学

作者：Philip Kiefer

A doctor in a protective suit taking a nasal swab from a person to test for possible coronavirus infection
COVID-19

作者：Philip Kiefer

A crab with huge eyes on the front of its face swimming after a shrimp with a big head.
进化

作者：Philip Kiefer

a woman in a face mask and blue protective gloves holds up a black collection apparatus in the air in a densely forested environment. a sloth hangs from a tree nearby
濒危物种

作者：Philip Kiefer

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