'The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.'

'If there is poetry in my book about the sea, it is not because I deliberately put it there, but because no one could write truthfully about the sea and leave out the poetry.'

- Marine biologist and author Rachel Carson (1907-1964)

Rachel Carson's 'Silent Spring' exposed the harmful effects of pesticides on food

The 1962 book warned against the use of DDT, a pesticide often sprayed over fields of crops, cautioning that it could be harmful if ingested in excessive amounts by humans. Some credit Carson’s book with inspiring the modern environmental movement and with encouraging the US to establish the Environmental Protection Agency in 1970 and ban the domestic sale of DDT in 1972. (Some readers may experience a paywall.)

'The bounty of nature is also one of the deep needs of man.'

- Lady Bird Johnson (1912-2007)

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

Read 10 of the best quotes about nature from David Attenborough

From reflecting on the interconnectedness of life and humanity's shared responsibility to protect biodiversity to the power of young people in driving change and understanding nature's beauty and importance, this list highlights some of the most noteworthy things said by the famed natural historian.

'We are more fulfilled when we are involved in something bigger than ourselves.'

- Astronaut John Glenn (1921–2016)

'The urge to explore has propelled evolution since the first water creatures reconnoitered the land. Like all living systems, cultures cannot remain static; they evolve or decline. They explore or expire.'

- Astronaut Buzz Aldrin (1930-present)

'Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world.'

- Albert Einstein

National Geographic presents how to protect the oceans

What can we do to protect and preserve the world's oceans? Be inspired by spectacular wildlife footage from National Geographic while learning key strategies.

Hear Carl Sagan reflect on the smallness of humanity

Polish chemist and physicist Marie Curie (1867–1934) on learning

“Nothing in life is to be feared; it is only to be understood. Now is the time to understand more, so that we may fear less."

'I love quotations because it is a joy to find thoughts one might have, beautifully expressed with much authority by someone recognized wiser than oneself.'

- Actress and singer Marlene Dietrich (1901-1992)

Tracing the history of the philosophy of human extinction

Global catastrophe is at the center of much contemporary debate over climate, war, science, technology, and more, and our period is marked by a lurking sense everything we know—including the human species—could end overnight. It wasn't always...

'The earth is rude, silent, incomprehensible at first, Nature is rude and incomprehensible at first, Be not discouraged, keep on, there are divine things well envelop'd.'

- Poet Walt Whitman (1819-1892)

'When you're climbing Mount Everest, nothing is easy. You just take one step at a time, never look back and always keep your eyes glued to the top.'

- Author Jacqueline Susann (1918-1974)

'I would rather that my spark should burn out in a brilliant blaze than it should be stifled by dry-rot ... The proper function of man is to live, not to exist. I shall not waste my days in trying to prolong them. I shall use my time.'

- Author Jack London (1876 - 1916)

A quote from Van Gogh

"Find things beautiful as much as you can, most people find too little beautiful."

'There cannot be mental atrophy in any person who continues to observe, to remember what he observes, and to seek answers for his unceasing hows and whys about things.'

-Alexander Graham Bell (1847-1922)

'Wanderer Above the Sea of Fog' is an iconic romantic artwork

Caspar David Friedrich’s painting portrays man’s fascination with the natural world and emphasizes his smallness in the midst of its grandeur, epitomizing Edmund Burke's concept of "the sublime."

'Don't gain the world and lose your soul; wisdom is better than silver or gold.'

-Reggae pioneer Bob Marley (1945-1981)

'At every moment, we always have a choice, even if it feels as if we don’t. Sometimes that choice may simply be to think a more positive thought.'

- Singer Tina Turner (1993–2023)

Finding delight through your five senses

Digging into your immediate senses is shown to benefit your overall psychological well-being, from the happy memories evoked by familiar scents or through the transformative power of birdsong. This episode from the Science of Happiness podcast highlights insights from Gretchen Rubin, an author who has written books on the importance of engaging your senses for a happy life.

'A word after a word after a word is power.'

- Author Margaret Atwood (1939-present)

From soil to beer, microplastic pollution is all around us

Marine plastic pollution has been studied for decades, but the extent and effects of plastic pollution elsewhere is only just beginning to be explored.

'One child, one teacher, one book, one pen can change the world'

- Activist and author Malala Yousafzai (1997-present)

Joan Didion's 1975 commencement speech at UCR encouraged graduates to think outside of themselves

Filled with many widely circulated quotes, the talk addresses people's tendency to focus only on their personal ideologies and perceptions of the world. Didion advocates for being an active participant in the world, rather than existing only in our own bubbles.

Explore the animals that populate the depths of the ocean, from fish and coral in the first few hundred feet, all the way down to the bottom of the Mariana Trench.

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

Fish populations in the Great Barrier Reef have increased after installing waterproof speakers on the ocean floor that played recordings of sounds from healthy coral reefs.

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

The Dracula character, now seen as the vampire archetype, was inspired by a seafood-induced nightmare its creator experienced.

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.