An AI-powered service called 'Deep Nostalgia' that animates still photos has captured the attention of Twitter as people are attempting to create the creepiest fake video possible using old pictures.

Spain's Rafael Nadal hits a return against Greece's Stefanos Tsitsipas during their men's singles quarter-final match on day ten of the Australian Open tennis tournament in Melbourne on February 17, 2021. LEHTIKUVA / AFP

Competitors from all over the world gathered in Melbourne to participate in the Australian Open tennis tournament on February 8-21. Tennis is known to produce out some of the most amusing sports pictures.

Here is a collection of the funniest faces from this week.

Our consumer products, such as food, cosmetics and clothes, might be filled with nanomaterials - unbeknownst to us. The use of nanomaterials remains unregulated and they do not show up in lists of ingredients. This is a cause of concern since nanomaterials can be more dangerous than COVID-19 in the long term if no safety action is taken: they are tricky to measure, they enter our food chain and, most alarmingly, they can penetrate cells and accumulate in our organs.

People have drinks in the 'de Buci' street, Saint-Germain-des-Pres neighbourhood, in Paris, on February 21, 2021. LEHTIKUVA / AFP

The World Health Organization (WHO) estimates that less than 10 per cent of the global population have antibodies to the coronavirus, WHO Chief Scientist Soumya Swaminathan said.

Researchers at Aalto University are developing wood-based foam materials with the help of artificial intelligence in their Smart Foams research project. The project got funding for research into foams from the Technology Industries of Finland Centennial Foundation and the Jane and Aatos Erkko Foundation, while a grant from Business Finland is helping commercialise the foam innovation. The total budget of the project is just under a million euros.

Finnish railway company VR Group has made its opening move in its own energy production. A solar power plant has been installed in the Helsinki depot and by using the energy produced by it, trains can in the future be maintained more environmentally friendly. The solar power plant deployed in late 2020 is one of the largest in Finland with a rated output of 928 kWp. The solar power system was procured as a cooperative effort of VR Group’s property unit and its subsidiary VR FleetCare that maintains the rolling stock.

LEHTIKUVA / AFP

Pfizer and its partner BioNTech on Thursday said that they have begun to test how well the third dose of their authorised vaccine stacks up against new coronavirus variants.

The study will evaluate up to 144 Phase 1 participants in two age cohorts, 18-55 and 65-85 years of age.

Powered Descent for Perseverance (Illustration) - NASA

American independent space agency, NASA has announced on Thursday that to discuss events surrounding the landing of its Mars 2020 Perseverance rover, it will host virtual news briefings, live shows, and activities in the week of February 15.
 

LEHTIKUVA / AFP

Due to the COVID pandemic, most couples are choosing to celebrate Valentine's Day 2021 indoors rather than stepping out. Add to it 'lockdown fatigue', many couples this year need innovative ways of expressing and communicating their love to their partner. A quick dipstick survey conducted by Oye Happy found that 80 percent of couples, who previously celebrated Valentine's Day at a club, restaurant or outdoors, prefer doing so at home this year.

LEHTIKUVA / AFP

The findings of a recent study suggested that antibodies that help in guarding against the COVID-19 virus are transferred from mothers to their babies while in the womb.

This discovery, published in the 'American Journal of Obstetrics and Gynecology', adds to growing evidence that suggests that pregnant women who generate protective antibodies after contracting the coronavirus often convey some of that natural immunity to their fetuses.

A member of the medical staff holds a vial of the AstraZeneca-Oxford Covid-19 vaccine at the South Ile-de-France Hospital Group (Groupe Hospitalier Sud Ile-de-France), in Melun, on the outskirts of Paris, on February 8, 2021. LEHTIKUVA / AFP

The World Health Organization's Strategic Advisory Group of Experts (SAGE) said on Wednesday that the benefits of the AstraZeneca/Oxford University COVID-19 vaccine outweigh the potential risks.

"The data reviewed by WHO support the conclusion that the known and potential benefits of AZD1222 outweigh the known and potential risk," SAGE said in a set of interim recommendations.

Dua Lipa poses backstage with her awards for Best Dance Recording for "Electricity" and for Best New Artist at the 61st Grammy Awards, Photo Room in Los Angeles, California, U.S. (ANI/REUTERS Photo)

The ongoing coronavirus pandemic has put a halt to almost everything, with many award ceremonies and cultural activities facing the brunt of the health crisis. While everything remains uncertain, several details regarding this year's Grammy Awards have been revealed.

As per Variety, a number of details have begun to emerge about how the show will be run, although as with everything during a pandemic, it's all subject to change.

A team of 16 entities from 9 different countries will use Artificial Intelligence and Blockchain to improve online identification processes. Security,  trust, and inclusion will be the central concepts of IMPULSE.

It seems like hardly a week goes by without a new story from somewhere around the world about a massive data leak, hack or a new form of cyber warfare that has been launched. Sometimes it feels as if you have to adopt a garrison’s worth of safety measures in order to protect yourself online, including setting up two-step verification, crafting incredibly complex passwords and dodging data collectors and cookies.

Medical staff tend to a patient at the intensive care unit for patients infected with the Covid-19 (novel coronavirus) at the AP-HP Tenon hospital on January 26, 2021 in Paris. LEHTIKUVA / AFP

A group of scientists are calling for a pan-European coronavirus action plan. Given the high numbers of cases and the new variants, they say, greater efforts to contain the virus are required across the whole continent. Case numbers must be reduced as quickly as possible, as this has strong advantages for society and economy.