People worked for healthy teeth long before nylon brushes hit the market.
People have probably always wanted clean and healthy teeth. What they historically used to achieve dental hygiene might surprise you.
Amazon has redefined retail over the last 25 years.
On July 5, the online shopping powerhouse turns 25. A marketing professor looks back on how Amazon redefined retail for the world.
The first episode of a new podcast series marking the 50th anniversary of the moon landings.
The first episode of a brand new podcast series to mark the 50th anniversary of the moon landings looks back at what going to the moon taught us and why we stopped sending people there.
Democratic U.S. 2020 election presidential candidates during the second night of the first Democratic presidential candidates’ debate.
The problems facing America are unrestrained capitalism and corruption, said the Democratic presidential candidates over two nights of debates. Or was that really Teddy Roosevelt speaking?
How many times do you hit snooze before getting out of bed?
You are tired. Would nine more minutes really hurt? Is hitting the snooze button a good idea? Should you just get out of bed? Or is snoozing a sign of a more serious medical issue?
D.C. would likely elect Democratic representatives and senators.
A new bill aims to give the District of Columbia representation in Congress.
Just. Don’t. Seriously.
Whether someone is menstruating is none of your business. Even inquiring about it reinforces attitudes and assumptions that hold women back.
Octavia Spencer is one of the few black women to have a lead role in a horror film.
For decades, black characters in horror movies were objects of ridicule, died first or played evil Voodoo practitioners. But now we're seeing a wave of films created by blacks and starring blacks.
Hanauma Bay, Hawaii.
Studies that look at the effect of nature on patients recovering from surgery have shown that it can enhance recovery. Now, some doctors are beginning to prescribe doses of nature to prevent illness.
The non-Hispanic white population is not growing as quickly as other groups in the U.S.
By 2050, the US will be a 'majority-minority' country, with white non-Hispanics making up less than half of the total population.
A racial wealth gap is persisting after centuries enslavement and systemic discrimination.
Thanks to demographic and political changes, Democratic contenders are addressing this issue for the first time.
Pollutants not shown.
Childhood asthma cases caused by traffic pollution are on the decline. But children in some parts of the country are faring better than others.
Some scientists think it’s time to hang up statistical significance.
Two prestigious journals have suggested abandoning the traditional test of the strength of a study's results. But a statistician worries that this would make science worse.
Jessie Dean Gipson Simmons, shown top center about age 37, c. 1961.
[Clockwise: daughter Angela, sons Obadiah Jerone, Jr. and Carl,
and husband Obadiah Jerone, Sr.; daughters Carolyn and Quendelyn are not pictured]
Simmons family archives
When Jessie Simmons applied for a teaching job in 1958, her application went to a separate file for "Negro teachers" and got rejected. An education scholar recounts how Simmons fought back and won.
Anti-opioid protest at the Harvard Art Museums, which the Sackler family has supported with charitable gifts.
There are limits to what charities can do now about past donors who are accused of morally reprehensible behavior.
Library subjects and call numbers can be the subject of controversy.
The way books are sorted at the library can be highly political, touching upon issues of race and identity.
An envelope containing a 2018 census letter mailed to a U.S. resident as part of the nation’s only test run of the 2020 census.
AP Photo/Michelle R. Smith
If undocumented immigrants choose not to fill out the questionnaire, then the official population of several states would deflate, costing them House seats and federal funding.
Ted Bundy, a day before his execution in January 1989.
AP Photo/Mark Foley
Psychologists are debating whether the presence of one trait – boldness – is the key to determining if someone is a psychopath, or just a garden-variety criminal.
A sign behind Republican members of the committee during Michael Cohen’s testimony before a House Committee Wednesday.
Michael Cohen wants you to know that throwing your kid a ball doesn't make you a Red Sox pitcher. So he told lies, he says, but that doesn't make him a liar. A rhetoric scholar dissects his argument.