Whales first marked their presence on Earth around 50 million years ago. In fact, last year, palaeontologists unearthed a 43-million-year-old fossil of a four-legged whale that walked on land and swam in oceans.
📸: Robert B
Feb 19 • 7 tweets • 5 min read
Rekambo chimps in #Gabon’s forests are applying insects to each other’s wounds! 🐵🪰
Whether it's merely a gesture of goodwill or a medication practice, we don't know for sure yet.
Six years ago, an Australian man named David Hole set out on a journey of finding gold.
Armed with a metal detector, he scoured to the Maryborough Regional Park in Melbourne—a famous Australian gold rush site of the 19th Century.
Nov 29, 2021 • 7 tweets • 4 min read
While #Omicron has sparked global fears due to the possibility of higher transmissibility & resistance to certain vaccines, here's a quick look at the situation & actions that countries are taking to control the number of cases:
The first discovery of new exoplanet TOI 1789b was made by Prof A Chakraborty and team using the PARAS optical fibre-fed spectrograph—the first of its kind in India—on the 1.2-metre Telescope of PRL at its Mt Abu Observatory.
Nov 24, 2021 • 8 tweets • 4 min read
Before Neil Armstrong set his foot on the Moon in 1969, NASA's Apollo 10 module named Snoopy was sent to snoop around the landing site.
Now, Peanuts’ iconic character Snoopy will again travel to the Moon—only this time, for real!
📸: Lauren Dauphin/NASA Earth Obsv. #StubbleBurning is the process whereby farmers get rid of crop residues by torching them up, so as to create space for a fresh batch of crops. This annual activity leads to the exacerbation of recurring seasonal pollution.
📸: Piyal Bhattacharjee/TOI, BCCL, Delhi
Nov 23, 2021 • 7 tweets • 3 min read
Increasing pollution, #ClimateChange & dam construction on River Ganga have modified its flow, causing frequent landslides & floods.
In 2014, astronomers Pedro Bernardinelli and Gary Bernstein discovered a celestial object and classified it as a dwarf planet.
However, the body was later reclassified as a comet, after it showed signs of activity.
Sep 27, 2021 • 6 tweets • 3 min read
Leather jackets that are a style statement today (unfortunately!) may have been a trend from the Pleistocene era! Here’s how researchers from @MPIWG found evidence of early humans who wore leather clothes around 100,000 years ago!
📸: E Y Hallett
The researchers unearthed 62 bones from layers dating from the Pleistocene era that appeared to have been used as tools. Early humans made these specialised bone tools to skin animals and then processed these skins for fur and leather.
Sep 16, 2021 • 8 tweets • 4 min read
Female octopuses throw objects at males who harass them, a new study has found!
(📸: NASA Ames/JPL-Caltech/T. Pyle)
It was only two years ago that humans discovered Borisov: the first and only interstellar comet to enter our solar system from a completely foreign star system.
But now, the new study suggests such phenomena might not be too rare!
Aug 24, 2021 • 7 tweets • 4 min read
Astronomers have discovered an #asteroid that revolves around our Sun faster than all other #spacerocks! Named 2021 PH2, it is approximately 1 km wide.
📸: CTIO/NOIRLab/NSF/AURA/J. da Silva
This newly discovered asteroid completes one orbit around the Sun in just 113 Earth days. This is the shortest orbital period of any #cosmicobject in our solar system except #Mercury, which takes only 88 days!
In Pic: Mercury’s solar transit
📸: NASA/Bill Ingalls
(📸: @UMCES/Lee Cooper) #GlobalWarming has led to a decline in the #SeaIce that walruses use to rest and access clam beds. Therefore, these mammals are being forced to crowd offshore, where clams are scarce, and the risk of stampedes is high!