Photo of the Day
A gentoo penguin wearing a yellow backpack with a radio so scientists can measure its blood flow
February 17, 2021
Penguin Pack
In this picture from the November 1971 issue, a gentoo penguin wears radio backpack that provides scientists with data on its blood flow and pressure.
Go Further
Animals
- How sharks equipped with cameras solved an aquatic mysteryHow sharks equipped with cameras solved an aquatic mystery
- The true story behind ‘Cocaine Bear’ is no laughing matterThe true story behind ‘Cocaine Bear’ is no laughing matter
Environment
- Is tap water safe to drink? Here’s what you need to know.Is tap water safe to drink? Here’s what you need to know.
- A giant mass of seaweed threatens beach season in the U.S.A giant mass of seaweed threatens beach season in the U.S.
- Arctic ice is getting thinner— and sea life is sufferingArctic ice is getting thinner— and sea life is suffering
History & Culture
- The Ides of March—a day of murder that forever changed historyThe Ides of March—a day of murder that forever changed history
- While Napoleon conquered nations, his sister conquered heartsWhile Napoleon conquered nations, his sister conquered hearts
- Meet the women who risked everything to be the first to flyMeet the women who risked everything to be the first to fly
- These pirates went east—and stole the biggest booty everThese pirates went east—and stole the biggest booty ever
Science
- Are you a ‘lark’ or an ‘owl’? Your body clock holds the answer.Are you a ‘lark’ or an ‘owl’? Your body clock holds the answer.
- Why are so many young adults getting colon cancer?Why are so many young adults getting colon cancer?
- Venus is volcanically alive, stunning new find showsVenus is volcanically alive, stunning new find shows
- What is pi—and why is there an entire day devoted to it?What is pi—and why is there an entire day devoted to it?
- Can positive thinking prolong your life? Science says yesCan positive thinking prolong your life? Science says yes
Travel
- Every year the spirit of the American West is awakened in Nevada
- Paid Content
Every year the spirit of the American West is awakened in Nevada - See the heavens the way ancient Britons did at this dark sky parkSee the heavens the way ancient Britons did at this dark sky park
- Chile’s new national park protects a superbloom of rare flowersChile’s new national park protects a superbloom of rare flowers