The human brain may shrink due to climate change.

Scientists studied how the brain size of 298 Homo individuals has changed over the past 50,000 years in relation to data on temperature, humidity and rainfall. As the climate got warmer, the average brain size got significantly smaller. This trend means that continued global warming could be detrimental to human cognition and significantly affect our physiology.

The shape of human ears was no worse than fingerprints or DNA for identification.

Even identical twins differ in this characteristic. A method for evaluating the shape of the ears was developed in the 1940s. It is called the "Camerier's ear identification method" and is based on an analysis of the ratio of the sizes of the helix, antihelix, concha and lobe.

Caffeine injections have saved newborns from lack of oxygen.

Caffeine therapy suppresses massive neuronal death in newborns suffering from neonatal hypoxia. This reduces the risk of developing irreversible damage to the nervous system. This was found out by European and American scientists during experiments on rat cubs.

The Netherlands will ban the use of gadgets in schools.

Some students may be allowed to use devices in the classroom in case of emergency - for example, for medical reasons or in computer science classes. This is expected to help children focus on their studies.

Tesla began to give customers a push stick.

The company stopped producing right-hand drive Model S and X, and as an apology began to give a long gripper with the car. With it, buyers from Australia, Singapore, Thailand and England can pay for parking and not reach across the seat.

A new type of eco-burial has appeared - the dissolution of a corpse in alkali.

Funeralcare, the UK's largest funeral home, has launched a new kind of sustainable burial - resomation. This is the dissolution of the body in an alkaline solution at 160°C, during which the remains turn into a liquid. The bones of the deceased remaining after resomation are crushed into powder and given to relatives, the liquid is poured into drainage water - it is harmless. This method produces half the carbon footprint of cremation.

The world's largest filling station has opened in the United States.

This is a whole complex that includes food courts, car washes, recreation areas and even a shopping center. The mega gas station will be able to refuel 120 cars at the same time.

The world recorded the hottest day in the history of observations.

The world's average temperature reached a new record on Monday, July 3, exceeding 17°C for the first time. The record was caused by a combination of carbon dioxide emissions and the El Niño weather phenomenon, which is expressed in fluctuations in surface water temperatures in the equatorial Pacific Ocean. The previous record of 16.92°C was set in August 2016.

A startup from Hong Kong came up with talking bikes.

Urtopia introduced the first electric bike with ChatGPT integrated into the on-board computer. The cyclist will be able to chat with his iron horse on any topic.

US authorities have approved flying cars.

Startup Alef Aeronautics was the first in the world to receive permission from the US Federal Aviation Administration to test its future aircraft. It will be able to take off vertically, and its cruising range in flight is 177 kilometers.

The most powerful outbreak in the last 20 years.

There was a powerful outbreak in the last 20 years, due to which North America was temporarily left without radio communications. The sunspot AR3354 is to blame for everything, with a diameter 7 times larger than the diameter of the Earth. Astronomers fear that in the near future there will be a plasma ejection, due to which we can all get at least a headache.

China completes testing of the world's fastest trains.

Now the championship is held by locomotives from France and Japan, which reach speeds of up to 320 km/h. The latest Chinese trains are capable of speeds up to 453 km/h.

In Africa, they brought out "super bananas".

In Uganda, thousands of children die every year from vitamin A deficiency. Local researchers have grown genetically modified bananas stuffed with vitamins that could save children from a deadly beriberi.

The mystery of the bloody waterfalls of Antarctica has been solved.

For a long time it was thought that algae were to blame. But it turned out - the matter is in the iron salts released from under the ice. The bright red stream of water was described by geologist Thomas Griffith Taylor in 1911. The waterfall began with ordinary clear water, but soon it turned red - due to the oxidation of iron, which was exposed to air for the first time in millennia. A new study has shown that the iron in the waterfall takes the unexpected form of nanospheres. They are a hundred times smaller than human red blood cells. A similar method of analysis can help find water and life on other planets. Perhaps now scientists are simply using the wrong equipment for searching.

The effect of coffee on the body may be a placebo effect.

Some effects of drinking coffee are not related to caffeine and may be due to psychological expectations from consumption of the drink and habit. These conclusions were reached by Portuguese scientists during a study involving 47 people who drank at least a cup of coffee daily.

Biologists have confirmed that octopuses can dream.

They have several stages of rest: “restful sleep” and “active sleep”, during which body parts twitch and the texture and pattern of the skin changes rapidly. The findings support previous assumptions that active sleep in octopuses resembles REM sleep associated with dreams in vertebrates.

Fairytale mirror.

Participants of the annual technology conference One Giant Leap, which has just ended in Saudi Arabia, had a unique opportunity to find themselves in a place resembling a fairy-tale looking glass. The hero of the occasion is the British company Stufish (London), which has developed a kaleidoscope tunnel filled with stunning visual effects. The dimensions of the tunnel are 40x6x3 m. Thanks to a system of seamless mirrors, as well as giant LED panels located under the floor and in the walls, the space appears to visitors in the form of a cylinder, and constantly changing light combinations turn everything around into a huge kaleidoscope, where the most incredible geometric patterns constantly replace each other drawings.

Xiaomi introduced a "smart" ukulele.

The thing about Kickgoods Populele 2 is that it will teach you how to play. The kit comes with a branded application that will help you learn the melody you have chosen. To do this, the ukulele has LEDs that will show the correct position of the fingers.

Million bag.

Do you know what the most expensive Louis Vuitton handbag in the history of the $1 million brand looks like? No?! We tell. Crocodile skin, chain and accessories made of gold, and at the same time - a lock encrusted with diamonds. By the way, this heavy suite is from the men's collection, which was presented by the new creative director of the brand Pharrell Williams.

Singapore airport began to patrol the police robots.

The robots are equipped with cameras, sensors, speakers, a display, turn signals and a siren, they are capable of autonomous patrols and can allow a police officer to communicate directly with citizens through a microphone. Robots respond to minor offenses and videotape them. In case of incidents, they cordon off the area and ask passers-by not to approach.