Science

Large Tides Played Important Role in Evolution of Bony Fish and Early Tetrapods, Study Suggests

Large Tides Played Important Role in Evolution of Bony Fish and Early Tetrapods, Study Suggests

Large tidal ranges from the Late Silurian to the Late Devonian epoch (420 to 380 million years ago) could have fostered both the evolution of air-breathing organs in bony fish to facilitate breathing in oxygen-poor tidal pools and the development of weight-bearing limbs in early… 

Astronomers Analyze Atmosphere of Ultrahot Neptune

Astronomers Analyze Atmosphere of Ultrahot Neptune

Using data collected by the InfraRed Array Camera aboard NASA’s Spitzer Space Telescope and NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have studied the atmosphere of the recently-discovered ultrahot-Neptune exoplanet LTT 9779b. An artist’s impression of the LTT 9779 system. Image credit: Ethen Schmidt, Kansas… 

Too many people are ignoring one of the easiest ways to catch COVID-19, Dr. Fauci says

Too many people are ignoring one of the easiest ways to catch COVID-19, Dr. Fauci says

By now, everybody knows that being in crowded situations is one of the things that easily facilitates coronavirus transmission — and that you can protect yourself by social-distancing, in addition to wearing a face mask. Dr. Anthony Fauci, however, says too many people are still… 

The people who need coronavirus vaccines the most just got great news

The people who need coronavirus vaccines the most just got great news

AstraZeneca revealed that its coronavirus vaccine candidate delivers the same immune response in older and younger people and that older people are less likely to experience adverse effects. The elderly might benefit the most from the first round of vaccinations, as they’re an at-risk category…