The common belief is that women who have twins are more fertile but what does the science say?

A detailed analysis of more than 100,000 births to women born between 1700 and 1899, published on 24 May 2022 in Nature Communications, found the answer is no.

Analysis of the offspring of twins shows that they are not exceptionally fertile when compared to the rest of the population. In addition, without refined statistical analysis, previous studies on the subject could not determine whether women have twins more often because they frequently release more than one egg during ovulation, or whether it is the multiplication of pregnancies that increases their chances.

"All The President's Men" inspired young people to rush to journalism while "Mad Men" caused enrollment in advertising courses to surge and "Top Gun led to more Navy recruits.

Film and television shapes young minds and marketers know it. A whole generation of people will believe a show like "The Offer" is a history of "The Godfather" film the same way some believe "Food Inc" is science; because it is on a screen. Yet trends have changed as fashions have. 'Stewardess' is out of the lexicon while 'Congressman' is still in.

A new study finds that hugging a romantic partner can prevent the acute stress response of female bodies.

Women who embrace their romantic partner prior to undergoing a stressful experience had lower levels of the stress hormone cortisol in saliva compared to women who did not embrace their partner. No effect was found for men.

Some papers have claimed that massages, embraces combined with hand-holding, and embraces combined with affectionate communication can reduce signs of stress in women but those usually do not include men nor any effects of a brief embrace.

At the centere of our galaxy, the Milky Way, there exists what must be a black hole. But detecting it has been challenging because of the cosmic dust around it.

Now, for the first time, a group of radio antennas knows as the Event Horizon Telescope Collaboration have unveiled the first image of the supermassive black hole four million times more massive than our Sun.

known as Sagittarius A* (Sgr A*, pronounced "sadge-ay-star") it obviously can't be seen, that is built into the black hole name, but it can be inferred thanks to a dark central region (called a “shadow”) surrounded by a bright ring-like structure. The new view captures light bent by the powerful gravity of the black hole.

Mars doesn’t have tectonic plates like Earth, but it does have volcanically active regions that can cause rumbles, and one way to develop a better understanding of Mars’ mantle and core is to examine seismic active. In March, NASA’s InSight lander detected two strong, clear quakes originating in a location of Mars called Cerberus Fossae – the same place where two strong quakes were seen earlier in the mission. Those quakes have magnitudes of 3.3 and 3.1; the previous quakes were magnitude 3.6 and 3.5.

InSight has recorded over 1,300 quakes to date, but nothing like the magnitude 5 temblor that occurred on May 4, 2022. That is a medium-sized earthquake on Earth, they happen 5 times each day, but it is a size researchers only hoped to get during this mission on Mars.

A half-mile-long stretch of tunnel in California is now colder than most of the universe. It contains a new superconducting particle accelerator, part of an upgrade project to the Linac Coherent Light Source (LCLS) X-ray free-electron laser, one of the last milestones before LCLS-II will produce X-ray pulses that are 10,000 times brighter, on average, than those of LCLS and that arrive up to a million times per second – a world record for today’s most powerful X-ray light sources. 

Crews have successfully cooled the accelerator to minus 456 degrees Fahrenheit – or 2 kelvins – a temperature at which it becomes superconducting and can boost electrons to high energies with nearly zero energy lost in the process.